Appendix A: SIS XML Schema

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

  <xs:annotation>
    <xs:documentation>
      This no-namespace schema is included by the SIS Trigger, Macro, Composition,
      and Interceptor schemas. It defines types common to all schemas.
    </xs:documentation>
  </xs:annotation>

  <xs:simpleType name="SignificantName">
    <xs:annotation>
      <xs:documentation>
        These names will have all redundant whitespace stripped, and must contain
        at least one non-whitespace character.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:token">
      <xs:minLength value="1"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:group name="ServiceID">
    <xs:sequence>
      <xs:element name="service-name" type="SignificantName"/>
      <xs:element name="service-vendor" type="SignificantName"/>
      <xs:element name="service-version" type="SignificantName"/>
    </xs:sequence>
  </xs:group>

  <xs:group name="TriggerID">
    <xs:sequence>
      <xs:element name="trigger-name" type="SignificantName"/>
      <xs:element name="trigger-vendor" type="SignificantName"/>
      <xs:element name="trigger-version" type="SignificantName"/>
    </xs:sequence>
  </xs:group>

  <xs:group name="MacroID">
    <xs:sequence>
      <xs:element name="macro-name" type="SignificantName"/>
      <xs:element name="macro-vendor" type="SignificantName"/>
      <xs:element name="macro-version" type="SignificantName"/>
    </xs:sequence>
  </xs:group>

  <xs:group name="CompositionID">
    <xs:sequence>
      <xs:element name="composition-name" type="SignificantName"/>
      <xs:element name="composition-vendor" type="SignificantName"/>
      <xs:element name="composition-version" type="SignificantName"/>
    </xs:sequence>
  </xs:group>

  <xs:group name="InterceptorID">
    <xs:sequence>
      <xs:element name="interceptor-name" type="SignificantName"/>
      <xs:element name="interceptor-vendor" type="SignificantName"/>
      <xs:element name="interceptor-version" type="SignificantName"/>
    </xs:sequence>
  </xs:group>

  <xs:complexType name="MacroRefType">
    <xs:sequence>
      <xs:element name="description" minOccurs="0"/>
      <xs:group ref="MacroID"/>
      <xs:element name="macro-alias" type="SignificantName"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="CompositionRefType">
    <xs:sequence>
      <xs:element name="description" minOccurs="0"/>
      <xs:group ref="CompositionID"/>
      <xs:element name="composition-alias" type="SignificantName"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="TerminateType">
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

  <xs:include schemaLocation="datatypes-1.3.xsd"/>
  <xs:include schemaLocation="string-manipulator-datatypes-1.2.xsd"/>
  <xs:include schemaLocation="array-manipulator-datatypes-1.1.xsd"/>
  <xs:include schemaLocation="in-sis-datatypes-1.5.xsd"/>

  <xs:annotation>
    <xs:documentation>
      This no-namespace schema is included by the SIS Trigger, Macro and Composition
      schemas. It defines conditions that are used in scripts and macros.
    </xs:documentation>
  </xs:annotation>

  <xs:group name="ConditionGroup">
    <xs:annotation>
      <xs:documentation>
        This choice group defines the elements that may be used in a script
        where a condition is expected.
      </xs:documentation>
    </xs:annotation>
    <xs:choice>
      <xs:element ref="true"/>
      <xs:element ref="false"/>
      <xs:element ref="not"/>
      <xs:element ref="and"/>
      <xs:element ref="or"/>
      <xs:element ref="equal"/>
      <xs:element ref="not-equal"/>
      <xs:element ref="macro-satisfied"/>
      <xs:element ref="assign"/>
      <xs:element ref="delete"/>
      <xs:element ref="less-than"/>
      <xs:element ref="greater-than"/>
      <xs:element ref="present"/>
      <xs:element ref="string-starts-with"/>
      <xs:element ref="string-ends-with"/>
      <xs:element ref="string-contains"/>
      <xs:element ref="string-matches"/>
    </xs:choice>
  </xs:group>

  <xs:element name="true" type="EmptyType"/>
  <xs:element name="false" type="EmptyType"/>
  <xs:element name="not" type="ConditionType"/>
  <xs:element name="and" type="MultiConditionType"/>
  <xs:element name="or" type="MultiConditionType"/>
  <xs:element name="equal" type="CompareType"/>
  <xs:element name="not-equal" type="CompareType"/>
  <xs:element name="less-than" type="CompareType"/>
  <xs:element name="greater-than" type="CompareType"/>
  <xs:element name="macro-satisfied" type="MacroSatisfiedType"/>
  <xs:element name="assign" type="AssignType"/>
  <xs:element name="delete" type="DeleteType"/>
  <xs:element name="present" type="PresentType"/>
  <xs:element name="string-starts-with" type="StringStartsWithType"/>
  <xs:element name="string-ends-with" type="StringEndsWithType"/>
  <xs:element name="string-contains" type="StringContainsType"/>
  <xs:element name="string-matches" type="StringMatchesType"/>

  <xs:complexType name="EmptyType"/>

  <xs:complexType name="PresentType">
    <xs:attribute name="variable" type="SignificantName" use="required"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="CompareType">
    <xs:choice minOccurs="0" maxOccurs="2">
      <xs:element ref="value"/>
      <xs:group ref="StringManipulators"/>
      <xs:element name="array-length" type="ArrayLengthType"/>
      <xs:group ref="INSISDataTypes"/>
    </xs:choice>
    <xs:attribute name="a" type="SignificantName" use="optional"/>
    <xs:attribute name="b" type="SignificantName" use="optional"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="AssignType">
    <xs:choice minOccurs="0" maxOccurs="1">
      <xs:element ref="value"/>
      <xs:group ref="StringManipulators"/>
      <xs:group ref="ArrayManipulators"/>
      <xs:group ref="INSISDataTypes"/>
    </xs:choice>
    <xs:attribute name="toVariable" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="DeleteType">
    <xs:attribute name="variable" type="xs:string" use="required"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="MacroSatisfiedType">
    <xs:attribute name="macro" type="SignificantName"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="ConditionType">
    <xs:choice>
      <xs:group ref="ConditionGroup"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="MultiConditionType">
    <xs:choice maxOccurs="unbounded">
      <xs:group ref="ConditionGroup"/>
    </xs:choice>
  </xs:complexType>

  <xs:element name="value">
    <xs:complexType>
      <xs:attribute name="value" type="xs:string" use="required"/>
    </xs:complexType>
  </xs:element>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

  <xs:annotation>
    <xs:documentation>
      This no-namespace schema is included by the SIS Trigger, Macro and Composition
      schemas. It defines types common to all schemas.
    </xs:documentation>
  </xs:annotation>

  <xs:group name="StringManipulators">
    <xs:choice>
      <xs:element name="string-prepend" type="StringPrependType"/>
      <xs:element name="string-append" type="StringAppendType"/>
      <xs:element name="string-substring" type="StringSubstringType"/>
      <xs:element name="string-length" type="StringLengthType"/>
      <xs:element name="string-contains" type="StringContainsType"/>
      <xs:element name="string-index-of" type="StringIndexOfType"/>
      <xs:element name="string-last-index-of" type="StringLastIndexOfType"/>
      <xs:element name="string-starts-with" type="StringStartsWithType"/>
      <xs:element name="string-ends-with" type="StringEndsWithType"/>
      <xs:element name="string-matches" type="StringMatchesType"/>
    </xs:choice>
  </xs:group>

  <xs:attributeGroup name="source-suffix-attgroup">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="suffix" type="xs:string" use="required"/>
  </xs:attributeGroup>

  <xs:attributeGroup name="source-prefix-attgroup">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="prefix" type="xs:string" use="required"/>
  </xs:attributeGroup>

  <xs:attributeGroup name="source-substring-attgroup">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="substring" type="xs:string" use="required"/>
  </xs:attributeGroup>

  <xs:attributeGroup name="source-substring-begin-index-attgroup">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="substring" type="xs:string" use="required"/>
    <xs:attribute name="begin-index" type="xs:string"/>
  </xs:attributeGroup>

  <xs:complexType name="StringPrependType">
    <xs:attributeGroup ref="source-prefix-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringAppendType">
    <xs:attributeGroup ref="source-suffix-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringSubstringType">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="begin-index" type="xs:string" use="required"/>
    <xs:attribute name="end-index" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="StringLengthType">
    <xs:attribute name="source" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="StringContainsType">
    <xs:attributeGroup ref="source-substring-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringIndexOfType">
    <xs:attributeGroup ref="source-substring-begin-index-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringLastIndexOfType">
    <xs:attributeGroup ref="source-substring-begin-index-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringStartsWithType">
    <xs:attributeGroup ref="source-prefix-attgroup"/>
    <xs:attribute name="begin-index" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="StringEndsWithType">
    <xs:attributeGroup ref="source-suffix-attgroup"/>
  </xs:complexType>

  <xs:complexType name="StringMatchesType">
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="regex" type="xs:string" use="required"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
  <xs:include schemaLocation="in-sis-datatypes-1.5.xsd"/>

  <xs:annotation>
    <xs:documentation>
      This no-namespace schema is included by the SIS Trigger, Macro and Composition
      schemas. It defines types common to all schemas.
    </xs:documentation>
  </xs:annotation>

  <xs:group name="ArrayManipulators">
    <xs:choice>
      <xs:element name="array-add-element" type="ArrayAddElementType"/>
      <xs:element name="array-remove-element" type="ArrayRemoveElementType"/>
      <xs:element name="array-length" type="ArrayLengthType"/>
    </xs:choice>
  </xs:group>

  <xs:complexType name="ArrayAddElementType">
    <xs:choice minOccurs="0" maxOccurs="1">
      <xs:element name="value">
        <xs:complexType>
          <xs:attribute name="value" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:group ref="INSISDataTypes"/>
    </xs:choice>
    <xs:attribute name="array" type="xs:string" use="required"/>
    <xs:attribute name="index" type="xs:string" use="optional"/>
    <xs:attribute name="value" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ArrayRemoveElementType">
    <xs:choice minOccurs="0" maxOccurs="1">
      <xs:element name="value">
        <xs:complexType>
          <xs:attribute name="value" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:group ref="INSISDataTypes"/>
    </xs:choice>
    <xs:attribute name="array" type="xs:string" use="required"/>
    <xs:attribute name="index" type="xs:string" use="optional"/>
    <xs:attribute name="value" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ArrayLengthType">
    <xs:attribute name="array" type="xs:string" use="required"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Composition"
           xmlns="http://www.opencloud.com/SIS/Composition"
           xmlns:c="http://www.opencloud.com/SIS/Composition">

  <xs:include schemaLocation="datatypes-1.3.xsd"/>
  <xs:include schemaLocation="conditions-1.6.xsd"/>

  <xs:element name="composition" type="CompositionType">
    <xs:key name="service-key">
      <xs:annotation>
        <xs:documentation>
          The service-alias element in service-ref must be unique.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath="c:service-ref"/>
      <xs:field xpath="c:service-alias"/>
    </xs:key>

    <xs:key name="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro-alias element in macro-ref must be unique.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath="c:macro-ref"/>
      <xs:field xpath="c:macro-alias"/>
    </xs:key>

    <xs:keyref name="macro-keyref" refer="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro attribute of macro-satisfied must refer to a defined macro alias.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath=".//c:macro-satisfied"/>
      <xs:field xpath="@macro"/>
    </xs:keyref>
  </xs:element>

  <xs:complexType name="CompositionType">
    <xs:sequence>
      <xs:element name="description" minOccurs="0"/>
      <xs:group ref="CompositionID"/>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="macro-ref" type="MacroRefType"/>
      </xs:choice>
      <xs:element ref="script"/>
      <xs:element name="debug-level" type="DebugLevelType" minOccurs="0" default="0"/>
      <xs:element name="audit" type="xs:boolean" minOccurs="0" default="false"/>
      <xs:element name="extension-options" type="ExtensionOptionsType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="script" type="TopLevelScriptBlockType"/>

  <xs:simpleType name="DebugLevelType">
    <xs:restriction base="xs:int">
      <xs:minInclusive value="0"/>
      <xs:maxInclusive value="3"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="ExtensionOptionsType">
    <xs:sequence>
      <xs:element name="extension-option" type="ExtensionOptionType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ExtensionOptionType">
    <xs:sequence>
      <xs:any namespace="##any" minOccurs="0" maxOccurs="1" processContents="lax">
        <xs:annotation>
          <xs:documentation>
            Allow a single element inside extension-option. Elements that are known in the schema
            will be validated, others will be ignored.
          </xs:documentation>
        </xs:annotation>
      </xs:any>
    </xs:sequence>
    <xs:attribute name="name" use="required"/>
    <xs:attribute name="value" use="optional"/>
  </xs:complexType>

  <xs:complexType name="TopLevelScriptBlockType">
    <xs:sequence>
      <xs:element name="composition-input-interceptor" type="InterceptorBlockType" minOccurs="0"/>
      <xs:group ref="ScriptStatementGroup"/>
      <xs:element name="composition-output-interceptor" type="InterceptorBlockType" minOccurs="0"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:group name="ScriptStatementGroup">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="assign" type="AssignType"/>
        <xs:element name="delete" type="DeleteType"/>
        <xs:element name="if" type="IfType"/>
        <xs:element ref="invoke"/>
        <xs:element ref="parallel"/>
      </xs:choice>
      <xs:element ref="halt" minOccurs="0"/>
    </xs:sequence>
  </xs:group>

  <xs:element name="invoke" type="InvokeServiceType"/>

  <xs:complexType name="InvokeServiceType">
    <xs:sequence>
      <xs:element name="service-input-interceptor" type="InterceptorBlockType" minOccurs="0"/>
      <xs:element name="service-output-interceptor" type="InterceptorBlockType" minOccurs="0"/>
      <xs:element ref="terminate" minOccurs="0"/>
      <xs:element name="message-handling-options" type="MessageHandlingOptionsType" minOccurs="0"/>
      <xs:element name="extension-options" type="ExtensionOptionsType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="service" type="SignificantName"/>
    <xs:attribute name="timeout" type="xs:long"/>
    <xs:attribute name="on-timeout" type="ServiceTimeoutOptions" default="ignore-service-and-continue"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:element name="terminate" type="TerminateType">
    <xs:annotation>
      <xs:documentation>
        The terminate element can only be used if the parent element's on-timeout attribute equals "terminate-processing".
        It specifies an optional termination response to return to the network.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:simpleType name="ServiceTimeoutOptions">
    <xs:restriction base="xs:string">
      <xs:enumeration value="ignore-service-and-continue"/>
      <xs:enumeration value="terminate-processing"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:element name="parallel" type="ParallelBlock"/>

  <xs:complexType name="ParallelBlock">
    <xs:sequence>
      <xs:element name="service-input-interceptor" type="InterceptorBlockType" minOccurs="0"/>
      <xs:element name="invoke" type="ParallelInvokeServiceType" maxOccurs="unbounded"/>
      <xs:element name="service-output-interceptor" type="InterceptorBlockType" minOccurs="0"/>
      <xs:element ref="terminate" minOccurs="0"/>
      <xs:element name="message-handling-options" type="MessageHandlingOptionsType" minOccurs="0"/>
      <xs:element name="extension-options" type="ExtensionOptionsType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="timeout" type="xs:long"/>
    <xs:attribute name="on-timeout" type="ServiceTimeoutOptions" default="ignore-service-and-continue"/>
  </xs:complexType>

  <xs:complexType name="ParallelInvokeServiceType">
    <xs:complexContent>
      <xs:extension base="InvokeServiceType">
        <xs:attribute name="primary" type="xs:boolean" default="false"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="InterceptorBlockType">
    <xs:sequence>
      <xs:group ref="InterceptorStatementGroup"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:group name="InterceptorStatementGroup">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="assign" type="AssignType"/>
        <xs:element name="delete" type="DeleteType"/>
        <xs:element name="if" type="InterceptorIfType"/>
        <xs:element ref="invoke-extension"/>
        <xs:element ref="invoke-interceptor"/>
      </xs:choice>
      <xs:element ref="halt" minOccurs="0"/>
    </xs:sequence>
  </xs:group>

  <xs:element name="invoke-extension" type="InvokeInterceptorExtensionType"/>

  <xs:complexType name="InvokeInterceptorExtensionType">
    <xs:attribute name="extension" type="SignificantName" use="required"/>
    <xs:attribute name="timeout" type="xs:long"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:element name="invoke-interceptor" type="InvokeInterceptorType"/>

  <xs:complexType name="InvokeInterceptorType">
    <xs:attribute name="interceptor" type="SignificantName" use="required"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="InterceptorIfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="InterceptorBlockType"/>
      <xs:element name="else-if" type="InterceptorElseIfType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="else" type="InterceptorBlockType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="InterceptorElseIfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="InterceptorBlockType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="IfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="NestedScriptBlockType"/>
      <xs:element name="else-if" type="ElseIfType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="else" type="NestedScriptBlockType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ElseIfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="NestedScriptBlockType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NestedScriptBlockType">
    <xs:sequence>
      <xs:group ref="ScriptStatementGroup"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:element name="halt" type="TerminateType"/>

  <xs:complexType name="MessageHandlingOptionsType">
    <xs:sequence>
      <xs:element ref="message-handling-option" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="message-handling-option" type="MessageHandlingOptionType"/>

  <xs:complexType name="MessageHandlingOptionType">
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Trigger"
           xmlns="http://www.opencloud.com/SIS/Trigger"
           xmlns:t="http://www.opencloud.com/SIS/Trigger">

  <xs:include schemaLocation="datatypes-1.3.xsd"/>
  <xs:include schemaLocation="conditions-1.6.xsd"/>

  <xs:element name="trigger">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="description" minOccurs="0"/>
        <xs:group ref="TriggerID"/>
        <xs:element name="trigger-priority" type="xs:int"/>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="macro-ref" type="MacroRefType"/>
          <xs:element name="composition-ref" type="CompositionRefType"/>
        </xs:choice>
        <xs:element name="on-condition" type="ConditionType"/>
        <xs:element name="select" type="SelectorType" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element ref="terminate" minOccurs="0"/>
      </xs:sequence>
    </xs:complexType>

    <xs:key name="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro-alias element in macro-ref must be unique.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath="t:macro-ref"/>
      <xs:field xpath="t:macro-alias"/>
    </xs:key>

    <xs:keyref name="macro-keyref" refer="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro attribute of macro-satisfied must refer to a defined macro alias.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath=".//t:macro-satisfied"/>
      <xs:field xpath="@macro"/>
    </xs:keyref>

    <xs:key name="composition-key">
      <xs:annotation>
        <xs:documentation>
          The composition-alias element in composition-ref must be unique.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath="t:composition-ref"/>
      <xs:field xpath="t:composition-alias"/>
    </xs:key>

    <xs:keyref name="composition-keyref" refer="composition-key">
      <xs:annotation>
        <xs:documentation>
          The composition-alias-ref element of a select element must refer to a defined composition alias.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath=".//t:select"/>
      <xs:field xpath="t:composition-alias-ref"/>
    </xs:keyref>
  </xs:element>

  <xs:complexType name="SelectorType">
    <xs:annotation>
      <xs:documentation>
        If the select element contains an extension reference, the SIS implementation will
        fire an event to the extension component, using the SCS API to select a composition.
        If the select element contains a composition-alias-ref, the SIS implementation
        will invoke that composition.
        If the select element contains a profile-lookup, the SIS will invoke the
        profile lookup method to find a composition.
      </xs:documentation>
    </xs:annotation>
    <xs:choice>
      <xs:element name="extension" type="SCSServiceType"/>
      <xs:element name="composition-alias-ref" type="SignificantName"/>
      <xs:element name="profile-lookup" type="ProfileLookupType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="SCSServiceType">
    <xs:simpleContent>
      <xs:extension base="SignificantName">
        <xs:attribute name="timeout" type="xs:long"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="ProfileLookupType">
    <xs:annotation>
      <xs:documentation>
        This element specifies an implementation-specific method for looking
        up a composition using profiles.
      </xs:documentation>
    </xs:annotation>
    <xs:attribute name="scheme" type="SignificantName">
      <xs:annotation>
        <xs:documentation>
          The scheme attribute specifies which type of profile lookup will be performed.
          Available schemes must be documented by the SIS implementation.
        </xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="key" type="SignificantName">
    <xs:annotation>
      <xs:documentation>
        The key attribute specifies the name of a field from the initial request.
        The value of this field will be passed to the profile lookup implementation.
      </xs:documentation>
    </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:element name="terminate" type="TerminateType">
    <xs:annotation>
      <xs:documentation>
        If this terminate element is present in the instance document, the SIS will perform
        the implementation-specific composition termination action.
        Protocol-specific schemas may replace this element with something more useful,
        by defining an element that extends TerminationType and is in the "terminate" substitution group.
      </xs:documentation>
    </xs:annotation>
  </xs:element>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Macro"
           xmlns="http://www.opencloud.com/SIS/Macro"
           xmlns:m="http://www.opencloud.com/SIS/Macro">

  <xs:include schemaLocation="datatypes-1.3.xsd"/>
  <xs:include schemaLocation="conditions-1.6.xsd"/>

  <xs:element name="macro">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="description" type="xs:string" minOccurs="0"/>
        <xs:group ref="MacroID"/>
        <xs:element name="macro-ref" type="MacroRefType" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element name="macro-expression" type="ConditionType"/>
      </xs:sequence>
    </xs:complexType>

    <xs:key name="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro-alias element in macro-ref must be unique.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath="m:macro-ref"/>
      <xs:field xpath="m:macro-alias"/>
    </xs:key>

    <xs:keyref name="macro-keyref" refer="macro-key">
      <xs:annotation>
        <xs:documentation>
          The macro attribute of macro-satisfied must refer to a defined macro alias.
        </xs:documentation>
      </xs:annotation>
      <xs:selector xpath=".//m:macro-satisfied"/>
      <xs:field xpath="@macro"/>
    </xs:keyref>

  </xs:element>

</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Interceptor"
           xmlns="http://www.opencloud.com/SIS/Interceptor"
           xmlns:i="http://www.opencloud.com/SIS/Interceptor">

  <xs:include schemaLocation="conditions-1.6.xsd"/>

  <xs:element name="interceptor">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="description" minOccurs="0"/>
        <xs:group ref="InterceptorID"/>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="macro-ref" type="MacroRefType"/>
        </xs:choice>
        <xs:element name="script" type="InterceptorBlockType"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:complexType name="InterceptorBlockType">
    <xs:sequence>
      <xs:group ref="InterceptorStatementGroup"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:group name="InterceptorStatementGroup">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="assign" type="AssignType"/>
        <xs:element name="delete" type="DeleteType"/>
        <xs:element name="if" type="InterceptorIfType"/>
        <xs:element ref="invoke-extension"/>
        <xs:element ref="invoke-interceptor"/>
      </xs:choice>
      <xs:element ref="halt" minOccurs="0"/>
    </xs:sequence>
  </xs:group>

  <xs:element name="invoke-extension" type="InvokeInterceptorExtensionType"/>

  <xs:complexType name="InvokeInterceptorExtensionType">
    <xs:attribute name="extension" type="SignificantName"/>
    <xs:attribute name="timeout" type="xs:long"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:element name="invoke-interceptor" type="InvokeInterceptorType"/>

  <xs:complexType name="InvokeInterceptorType">
    <xs:attribute name="interceptor" type="SignificantName" use="required"/>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
  </xs:complexType>

  <xs:complexType name="InterceptorIfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="InterceptorBlockType"/>
      <xs:element name="else-if" type="InterceptorElseIfType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="else" type="InterceptorBlockType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="InterceptorElseIfType">
    <xs:sequence>
      <xs:group ref="ConditionGroup"/>
      <xs:element name="then" type="InterceptorBlockType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="halt" type="TerminateType"/>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

  <xs:annotation>
    <xs:documentation>
      This no-namespace schema is included by the SIS Trigger, Macro and Composition
      schemas for IN. It defines IN-specific datatypes.
    </xs:documentation>
  </xs:annotation>

  <xs:group name="INSISDataTypes">
    <xs:choice>
      <xs:element name="object" type="ObjectType"/>
      <xs:element name="array" type="ArrayType"/>
      <xs:element name="enum" type="EnumType"/>
      <xs:element name="bytes" type="ByteArrayType"/>
      <xs:element name="calling-party-number" type="CallingPartyNumberType"/>
      <xs:element name="called-party-number" type="CalledPartyNumberType"/>
      <xs:element name="called-party-bcd-number" type="CalledPartyBCDNumberType"/>
      <xs:element name="redirecting-party-number" type="RedirectingPartyNumberType"/>
      <xs:element name="original-called-number" type="OriginalCalledNumberType"/>
      <xs:element name="location-number" type="LocationNumberType"/>
      <xs:element name="address-string" type="AddressStringType"/>
      <xs:element name="cell-global-id" type="CellGlobalIDType"/>
      <xs:element name="service-area-id" type="ServiceAreaIDType"/>
      <xs:element name="location-area-id" type="LocationAreaIDType"/>
      <xs:element name="generic-number" type="GenericNumberType"/>
      <xs:element name="imsi" type="IMSIType"/>
    </xs:choice>
  </xs:group>

  <xs:complexType name="ObjectType">
    <xs:sequence>
      <xs:element name="field" type="FieldType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="class" type="xs:string" use="required"/>
    <xs:attribute name="encoded-value" type="xs:string" use="optional"/>
    <xs:attribute name="copy-of" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="FieldType">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="1">
        <xs:group ref="INSISDataTypes"/>
      </xs:choice>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ArrayType">
    <xs:sequence>
      <xs:element name="element" type="ArrayElement" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="class" type="xs:string" use="required"/>
    <xs:attribute name="length" type="xs:string" use="optional"/>
    <xs:attribute name="copy-of" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ArrayElement">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="1">
        <xs:group ref="INSISDataTypes"/>
      </xs:choice>
    </xs:sequence>
    <xs:attribute name="value" type="xs:string" use="optional"/>
  </xs:complexType>

  <xs:complexType name="EnumType">
    <xs:attribute name="class" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="CallingPartyNumberType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="number-incomplete" type="xs:boolean" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="presentation" type="xs:string" use="required"/>
    <xs:attribute name="screening" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="CalledPartyNumberType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="routing-to-internal-network-number" type="INNRoutingType" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="CalledPartyBCDNumberType">
    <xs:attribute name="number-type" type="xs:string" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="RedirectingPartyNumberType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="presentation" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="OriginalCalledNumberType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="presentation" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="LocationNumberType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="routing-to-internal-network-number" type="INNRoutingType" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="presentation" type="xs:string" use="required"/>
    <xs:attribute name="screening" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="AddressStringType">
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="CellGlobalIDType">
    <xs:attribute name="mobile-country-code" type="xs:string" use="required"/>
    <xs:attribute name="mobile-network-code" type="xs:string" use="required"/>
    <xs:attribute name="location-area-code" type="xs:string" use="required"/>
    <xs:attribute name="cell-id" type="xs:string" use="required"/>
    <xs:attribute name="mobile-country-code-codec" type="CodecType" use="optional"/>
    <xs:attribute name="mobile-network-code-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ServiceAreaIDType">
    <xs:attribute name="mobile-country-code" type="xs:string" use="required"/>
    <xs:attribute name="mobile-network-code" type="xs:string" use="required"/>
    <xs:attribute name="location-area-code" type="xs:string" use="required"/>
    <xs:attribute name="service-area-code" type="xs:string" use="required"/>
    <xs:attribute name="mobile-country-code-codec" type="CodecType" use="optional"/>
    <xs:attribute name="mobile-network-code-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="LocationAreaIDType">
    <xs:attribute name="mobile-country-code" type="xs:string" use="required"/>
    <xs:attribute name="mobile-network-code" type="xs:string" use="required"/>
    <xs:attribute name="location-area-code" type="xs:string" use="required"/>
    <xs:attribute name="mobile-country-code-codec" type="CodecType" use="optional"/>
    <xs:attribute name="mobile-network-code-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="GenericNumberType">
    <xs:attribute name="number-qualifier" type="xs:string" use="required"/>
    <xs:attribute name="number-incomplete" type="xs:boolean" use="required"/>
    <xs:attribute name="nature" type="xs:string" use="required"/>
    <xs:attribute name="numbering-plan" type="xs:string" use="required"/>
    <xs:attribute name="presentation" type="xs:string" use="required"/>
    <xs:attribute name="screening" type="xs:string" use="required"/>
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="IMSIType">
    <xs:attribute name="address" type="xs:string" use="required"/>
    <xs:attribute name="address-codec" type="CodecType" use="optional"/>
  </xs:complexType>

  <xs:complexType name="ByteArrayType">
    <xs:attribute name="bytes" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:simpleType name="CodecType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="standard"/>
      <xs:enumeration value="hex"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="INNRoutingType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="ALLOWED"/>
      <xs:enumeration value="NOT_ALLOWED"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Types used in IN fail type extensions -->
  <xs:simpleType name="DialogTerminationType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="none"/>
      <xs:enumeration value="close"/>
      <xs:enumeration value="user-abort"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="UserErrorType">
    <xs:attribute name="reason" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="unexpected-data-value"/>
          <xs:enumeration value="missing-parameter"/>
          <xs:enumeration value="missing-customer-record"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="RedirectType">
    <xs:attribute name="idd-prefix" type="xs:string" use="required"/>
    <xs:attribute name="country-code" type="xs:string" use="required"/>
    <xs:attribute name="redirect-prefix" type="xs:string" use="required"/>
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="ContinueType">
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="ConnectType">
    <xs:sequence>
      <xs:element name="called-party-number" type="CalledPartyNumberType"/>
    </xs:sequence>
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="ConnectSMSType">
    <xs:sequence>
      <xs:element name="called-party-bcd-number" type="CalledPartyBCDNumberType"/>
    </xs:sequence>
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="ReleaseType">
    <xs:attribute name="cause-code" type="xs:string" use="required"/>
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>

  <xs:complexType name="NoResponseType">
    <xs:attribute name="dialog-termination" type="DialogTerminationType" use="required"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Composition/IN"
           xmlns="http://www.opencloud.com/SIS/Composition/IN"
           xmlns:sis="http://www.opencloud.com/SIS/Composition"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.opencloud.com/SIS/Composition sis-composition-1.8.xsd">

  <xs:include schemaLocation="datatypes-1.3.xsd"/>
  <xs:include schemaLocation="in-sis-datatypes-1.5.xsd"/>
  <xs:import namespace="http://www.opencloud.com/SIS/Composition" schemaLocation="sis-composition-1.8.xsd"/>

  <xs:element name="composition" substitutionGroup="sis:composition" type="INComposition">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:composition element.
        It extends the generic element with IN-specific settings.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:complexType name="INComposition">
    <xs:complexContent>
      <xs:extension base="sis:CompositionType">
        <xs:sequence>
          <xs:element name="optimisations-enabled" type="xs:boolean" minOccurs="0" default="false"/>
          <xs:element name="fci-interaction" type="FCIInteractionType" minOccurs="0"/>
          <xs:element name="online-charging-interaction" type="OnlineChargingInteractionType" minOccurs="0"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="FCIInteractionType">
    <xs:attribute name="mode" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="static-service-priorities"/>
          <xs:enumeration value="nominated-service"/>
          <xs:enumeration value="concatenation"/>
          <xs:enumeration value="pass-through"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <!-- service attribute only present if mode="nominated-service" -->
    <xs:attribute name="service" type="SignificantName" use="optional"/>
  </xs:complexType>

  <xs:complexType name="OnlineChargingInteractionType">
    <xs:attribute name="mode" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="static-service-priorities"/>
          <xs:enumeration value="nominated-service"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <!-- service attribute only present if mode="nominated-service" -->
    <xs:attribute name="service" type="SignificantName" use="optional"/>
  </xs:complexType>

  <xs:element name="halt" substitutionGroup="sis:halt" type="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:halt element.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:element name="terminate" substitutionGroup="sis:terminate" type="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:terminate element.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:complexType name="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        Extends the generic sis:TerminateType type with IN-specific elements and attributes.
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="sis:TerminateType">
        <xs:choice minOccurs="0">
          <xs:element name="user-error" type="UserErrorType"/>
          <xs:element name="redirect" type="RedirectType"/>
          <xs:element name="continue" type="ContinueType"/>
          <xs:element name="connect" type="ConnectType"/>
          <xs:element name="connect-sms" type="ConnectSMSType"/>
          <xs:element name="release" type="ReleaseType"/>
          <xs:element name="relay" type="RelayType"/>
          <xs:element name="no-response" type="NoResponseType"/>
        </xs:choice>
        <xs:attribute name="record-as-reject" type="xs:boolean" use="required"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="RelayType">
    <xs:sequence>
      <xs:element name="on-failure" type="INTerminateType"/>
    </xs:sequence>
    <xs:attribute name="target" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:element name="message-handling-option" substitutionGroup="sis:message-handling-option" type="INMessageHandlingOptionType">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:invoke element.
        In extends the generic element with IN-specific settings.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:complexType name="INMessageHandlingOptionType">
    <xs:complexContent>
      <xs:extension base="sis:MessageHandlingOptionType">
        <xs:sequence>
          <xs:element ref="terminate" minOccurs="0"/>
        </xs:sequence>
        <xs:attribute name="on-message" type="xs:string" use="required"/>
        <xs:attribute name="action" type="xs:string" use="required"/>
        <xs:attribute name="is-failure" type="xs:boolean" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Trigger/IN"
           xmlns="http://www.opencloud.com/SIS/Trigger/IN"
           xmlns:sis="http://www.opencloud.com/SIS/Trigger"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.opencloud.com/SIS/Trigger sis-trigger-1.6.xsd">

  <xs:include schemaLocation="in-sis-datatypes-1.5.xsd"/>
  <xs:import namespace="http://www.opencloud.com/SIS/Trigger" schemaLocation="sis-trigger-1.6.xsd"/>

  <xs:element name="terminate" substitutionGroup="sis:terminate" type="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:terminate element.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:complexType name="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        Extends the generic sis:TerminateType type with IN-specific elements and attributes.
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="sis:TerminateType">
        <xs:choice minOccurs="0">
          <xs:element name="user-error" type="UserErrorType"/>
          <xs:element name="redirect" type="RedirectType"/>
          <xs:element name="continue" type="ContinueType"/>
          <xs:element name="connect" type="ConnectType"/>
          <xs:element name="connect-sms" type="ConnectSMSType"/>
          <xs:element name="release" type="ReleaseType"/>
          <xs:element name="relay" type="RelayType"/>
          <xs:element name="no-response" type="NoResponseType"/>
        </xs:choice>
        <xs:attribute name="record-as-reject" type="xs:boolean" use="required"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="RelayType">
    <xs:sequence>
      <xs:element name="on-failure" type="INTerminateType"/>
    </xs:sequence>
    <xs:attribute name="target" type="xs:string" use="required"/>
  </xs:complexType>
</xs:schema>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           targetNamespace="http://www.opencloud.com/SIS/Interceptor/IN"
           xmlns="http://www.opencloud.com/SIS/Interceptor/IN"
           xmlns:sis="http://www.opencloud.com/SIS/Interceptor"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.opencloud.com/SIS/Interceptor sis-interceptor-1.2.xsd">

  <xs:include schemaLocation="in-sis-datatypes-1.5.xsd"/>
  <xs:import namespace="http://www.opencloud.com/SIS/Interceptor" schemaLocation="sis-interceptor-1.2.xsd"/>

  <xs:element name="halt" substitutionGroup="sis:halt" type="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        This element can be substituted for the sis:halt element.
      </xs:documentation>
    </xs:annotation>
  </xs:element>

  <xs:complexType name="INTerminateType">
    <xs:annotation>
      <xs:documentation>
        Extends the generic sis:TerminateType type with IN-specific elements and attributes.
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="sis:TerminateType">
        <xs:choice minOccurs="0">
          <xs:element name="user-error" type="UserErrorType"/>
          <xs:element name="redirect" type="RedirectType"/>
          <xs:element name="continue" type="ContinueType"/>
          <xs:element name="connect" type="ConnectType"/>
          <xs:element name="connect-sms" type="ConnectSMSType"/>
          <xs:element name="release" type="ReleaseType"/>
          <xs:element name="relay" type="RelayType"/>
          <xs:element name="no-response" type="NoResponseType"/>
        </xs:choice>
        <xs:attribute name="record-as-reject" type="xs:boolean" use="required"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="RelayType">
    <xs:sequence>
      <xs:element name="on-failure" type="INTerminateType"/>
    </xs:sequence>
    <xs:attribute name="target" type="xs:string" use="required"/>
  </xs:complexType>
</xs:schema>