# XML Schema Documentation

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## Table of Contents

- Schema Document Properties
- Global Definitions
  - Complex Type: SystemAutomaticCallbackAddReleaseCauseListRequest
  - Complex Type: SystemAutomaticCallbackDeleteReleaseCauseListRequest
  - Complex Type: SystemAutomaticCallbackGetReleaseCauseListRequest
  - Complex Type: SystemAutomaticCallbackGetReleaseCauseListResponse
  - Complex Type: SystemAutomaticCallbackGetRequest17
  - Complex Type: SystemAutomaticCallbackGetResponse17
  - Complex Type: SystemAutomaticCallbackModifyRequest15
  - Complex Type: UserAutomaticCallbackGetRequest
  - Complex Type: UserAutomaticCallbackGetResponse
  - Complex Type: UserAutomaticCallbackModifyRequest
  - Simple Type: AutomaticCallbackActivationDigit
  - Simple Type: AutomaticCallbackMaxCallbackRings
  - Simple Type: AutomaticCallbackMaxMonitorsPerOriginator
  - Simple Type: AutomaticCallbackMaxMonitorsPerTerminator
  - Simple Type: AutomaticCallbackMethod
  - Simple Type: AutomaticCallbackMonitorMinutes
  - Simple Type: AutomaticCallbackPollingIntervalSeconds
  - Simple Type: AutomaticCallbackReleaseCause
  - Simple Type: AutomaticCallbackTerminatorIdleGuardSeconds

- Legend

- Glossary

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## Schema Document Properties

Target Namespace | None
Element and Attribute Namespaces | Global element and attribute declarations belong to this schema's target namespace. By default, local element declarations belong to this schema's target namespace. By default, local attribute declarations belong to this schema's target namespace.
Schema Composition | This schema imports schema(s) from the following namespace(s): C (at ../OCISchemaBASE.xsd) This schema includes components from the following schema document(s): ../OCISchemaDataTypes.xsd

### Declared Namespaces

Prefix | Namespace
--- | ---
Default namespace |
xml | http://www.w3.org/XML/1998/namespace
xs | http://www.w3.org/2001/XMLSchema
core | C

Schema Component Representation
<xs:schema attributeFormDefault="qualified" elementFormDefault="qualified">
<xs:import namespace="C" schemaLocation="../OCISchemaBASE.xsd"/>
<xs:include schemaLocation="../OCISchemaDataTypes.xsd"/>
...
</xs:schema>
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## Global Definitions

### Complex Type: SystemAutomaticCallbackAddReleaseCauseListRequest

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackAddReleaseCauseListRequest
Abstract | no
Documentation | Adds automatic callback release cause to the releaseCause attribute. The response is either a SuccessResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
<releaseCause> AutomaticCallbackReleaseCause </releaseCause> [0..*]
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackAddReleaseCauseListRequest">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence>
<xs:element name="releaseCause" type=" AutomaticCallbackReleaseCause " minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackDeleteReleaseCauseListRequest

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackDeleteReleaseCauseListRequest
Abstract | no
Documentation | Deletes automatic callback release causes from the release cause attribute. The response is either a SuccessResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
<releaseCause> AutomaticCallbackReleaseCause </releaseCause> [0..*]
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackDeleteReleaseCauseListRequest">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence>
<xs:element name="releaseCause" type=" AutomaticCallbackReleaseCause " minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackGetReleaseCauseListRequest

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackGetReleaseCauseListRequest
Abstract | no
Documentation | Request the system's automatic callback attributes. The response is either a SystemAutomaticCallbackGetReleaseCauseListResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackGetReleaseCauseListRequest">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence/>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackGetReleaseCauseListResponse

Parent type: | core:OCIDataResponse (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackGetReleaseCauseListResponse
Abstract | no
Documentation | Response to SystemAutomaticCallbackGetReleaseCauseListRequest.

XML Instance Representation
<...>
<!-- ' OCIResponse ' super type was not found in this schema. Some elements and attributes may be missing. -->
<releaseCause> AutomaticCallbackReleaseCause </releaseCause> [0..*]
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackGetReleaseCauseListResponse">
<xs:complexContent>
<xs:extension base=" core:OCIDataResponse ">
<xs:sequence>
<xs:element name="releaseCause" type=" AutomaticCallbackReleaseCause " minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackGetRequest17

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackGetRequest17
Abstract | no
Documentation | Request the system's automatic callback attributes. The response is either a SystemAutomaticCallbackGetResponse17 or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackGetRequest17">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence/>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackGetResponse17

Parent type: | core:OCIDataResponse (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackGetResponse17
Abstract | no
Documentation | Response to SystemAutomaticCallbackGetRequest17.

XML Instance Representation
<...>
<!-- ' OCIResponse ' super type was not found in this schema. Some elements and attributes may be missing. -->
<monitorMinutes> AutomaticCallbackMonitorMinutes </monitorMinutes> [1]
<maxMonitorsPerOriginator> AutomaticCallbackMaxMonitorsPerOriginator </maxMonitorsPerOriginator> [1]
<maxCallbackRings> AutomaticCallbackMaxCallbackRings </maxCallbackRings> [1]
<maxMonitorsPerTerminator> AutomaticCallbackMaxMonitorsPerTerminator </maxMonitorsPerTerminator> [1]
<terminatorIdleGuardSeconds> AutomaticCallbackTerminatorIdleGuardSeconds </terminatorIdleGuardSeconds> [1]
<callbackMethod> AutomaticCallbackMethod </callbackMethod> [1]
<pollingIntervalSeconds> AutomaticCallbackPollingIntervalSeconds </pollingIntervalSeconds> [1]
<activationDigit> AutomaticCallbackActivationDigit </activationDigit> [1]
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackGetResponse17">
<xs:complexContent>
<xs:extension base=" core:OCIDataResponse ">
<xs:sequence>
<xs:element name="monitorMinutes" type=" AutomaticCallbackMonitorMinutes "/>
<xs:element name="maxMonitorsPerOriginator" type=" AutomaticCallbackMaxMonitorsPerOriginator "/>
<xs:element name="maxCallbackRings" type=" AutomaticCallbackMaxCallbackRings "/>
<xs:element name="maxMonitorsPerTerminator" type=" AutomaticCallbackMaxMonitorsPerTerminator "/>
<xs:element name="terminatorIdleGuardSeconds" type=" AutomaticCallbackTerminatorIdleGuardSeconds "/>
<xs:element name="callbackMethod" type=" AutomaticCallbackMethod "/>
<xs:element name="pollingIntervalSeconds" type=" AutomaticCallbackPollingIntervalSeconds "/>
<xs:element name="activationDigit" type=" AutomaticCallbackActivationDigit "/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: SystemAutomaticCallbackModifyRequest15

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | SystemAutomaticCallbackModifyRequest15
Abstract | no
Documentation | Modifies the system's automatic callback attributes. The response is either a SuccessResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
<monitorMinutes> AutomaticCallbackMonitorMinutes </monitorMinutes> [0..1]
<maxMonitorsPerOriginator> AutomaticCallbackMaxMonitorsPerOriginator </maxMonitorsPerOriginator> [0..1]
<maxCallbackRings> AutomaticCallbackMaxCallbackRings </maxCallbackRings> [0..1]
<maxMonitorsPerTerminator> AutomaticCallbackMaxMonitorsPerTerminator </maxMonitorsPerTerminator> [0..1]
<terminatorIdleGuardSeconds> AutomaticCallbackTerminatorIdleGuardSeconds </terminatorIdleGuardSeconds> [0..1]
<callbackMethod> AutomaticCallbackMethod </callbackMethod> [0..1]
<pollingIntervalSeconds> AutomaticCallbackPollingIntervalSeconds </pollingIntervalSeconds> [0..1]
<activationDigit> AutomaticCallbackActivationDigit </activationDigit> [0..1]
</...>
Schema Component Representation
<xs:complexType name="SystemAutomaticCallbackModifyRequest15">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence>
<xs:element name="monitorMinutes" type=" AutomaticCallbackMonitorMinutes " minOccurs="0"/>
<xs:element name="maxMonitorsPerOriginator" type=" AutomaticCallbackMaxMonitorsPerOriginator " minOccurs="0"/>
<xs:element name="maxCallbackRings" type=" AutomaticCallbackMaxCallbackRings " minOccurs="0"/>
<xs:element name="maxMonitorsPerTerminator" type=" AutomaticCallbackMaxMonitorsPerTerminator " minOccurs="0"/>
<xs:element name="terminatorIdleGuardSeconds" type=" AutomaticCallbackTerminatorIdleGuardSeconds " minOccurs="0"/>
<xs:element name="callbackMethod" type=" AutomaticCallbackMethod " minOccurs="0"/>
<xs:element name="pollingIntervalSeconds" type=" AutomaticCallbackPollingIntervalSeconds " minOccurs="0"/>
<xs:element name="activationDigit" type=" AutomaticCallbackActivationDigit " minOccurs="0"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: UserAutomaticCallbackGetRequest

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | UserAutomaticCallbackGetRequest
Abstract | no
Documentation | Request the user level data associated with Automatic Callback. The response is either a UserAutomaticCallbackGetResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
<userId> UserId </userId> [1]
</...>
Schema Component Representation
<xs:complexType name="UserAutomaticCallbackGetRequest">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence>
<xs:element name="userId" type=" UserId "/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: UserAutomaticCallbackGetResponse

Parent type: | core:OCIDataResponse (derivation method: extension)
Sub-types: | None

Name | UserAutomaticCallbackGetResponse
Abstract | no
Documentation | Response to UserAutomaticCallbackGetRequest.

XML Instance Representation
<...>
<!-- ' OCIResponse ' super type was not found in this schema. Some elements and attributes may be missing. -->
<isActive> xs:boolean </isActive> [1]
</...>
Schema Component Representation
<xs:complexType name="UserAutomaticCallbackGetResponse">
<xs:complexContent>
<xs:extension base=" core:OCIDataResponse ">
<xs:sequence>
<xs:element name="isActive" type=" xs:boolean "/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Complex Type: UserAutomaticCallbackModifyRequest

Parent type: | core:OCIRequest (derivation method: extension)
Sub-types: | None

Name | UserAutomaticCallbackModifyRequest
Abstract | no
Documentation | Modify the user level data associated with Automatic Callback. The response is either a SuccessResponse or an ErrorResponse.

XML Instance Representation
<...>
<!-- ' OCICommand ' super type was not found in this schema. Some elements and attributes may be missing. -->
<userId> UserId </userId> [1]
<isActive> xs:boolean </isActive> [0..1]
</...>
Schema Component Representation
<xs:complexType name="UserAutomaticCallbackModifyRequest">
<xs:complexContent>
<xs:extension base=" core:OCIRequest ">
<xs:sequence>
<xs:element name="userId" type=" UserId "/>
<xs:element name="isActive" type=" xs:boolean " minOccurs="0"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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### Simple Type: AutomaticCallbackActivationDigit

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackActivationDigit
Content | Base XSD Type: int 0 <= value <= 9
Documentation | Callback Activation Digit.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackActivationDigit">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="0"/>
<xs:maxInclusive value="9"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackMaxCallbackRings

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackMaxCallbackRings
Content | Base XSD Type: int 3 <= value <= 8
Documentation | Maximum callback rings.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackMaxCallbackRings">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="3"/>
<xs:maxInclusive value="8"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackMaxMonitorsPerOriginator

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackMaxMonitorsPerOriginator
Content | Base XSD Type: int 1 <= value <= 30
Documentation | Maximum monitors per originator.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackMaxMonitorsPerOriginator">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="1"/>
<xs:maxInclusive value="30"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackMaxMonitorsPerTerminator

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackMaxMonitorsPerTerminator
Content | Base XSD Type: int 1 <= value <= 30
Documentation | Maximum monitors per terminator.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackMaxMonitorsPerTerminator">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="1"/>
<xs:maxInclusive value="30"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackMethod

Parent type: | xs:token (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackMethod
Content | Base XSD Type: token value comes from list: {'Notify Only'|'Notify If Possible And Polling Otherwise'}
Documentation | Automatic Callback methods.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackMethod">
<xs:restriction base=" xs:token ">
<xs:enumeration value="Notify Only"/>
<xs:enumeration value="Notify If Possible And Polling Otherwise"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackMonitorMinutes

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackMonitorMinutes
Content | Base XSD Type: int 5 <= value <= 180
Documentation | Automatic Callback monitor minutes.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackMonitorMinutes">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="5"/>
<xs:maxInclusive value="180"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackPollingIntervalSeconds

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackPollingIntervalSeconds
Content | Base XSD Type: int 60 <= value <= 900
Documentation | Polling interval seconds.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackPollingIntervalSeconds">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="60"/>
<xs:maxInclusive value="900"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackReleaseCause

Parent type: | xs:token (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackReleaseCause
Content | Base XSD Type: token value comes from list: {'Busy'|'Forbidden'|'Global Failure'|'Request Failure'|'Server Failure'|'Translation Failure'|'Temporarily Unavailable'|'User Not Found'|'Request Timeout'}
Documentation | Callback Release Cause.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackReleaseCause">
<xs:restriction base=" xs:token ">
<xs:enumeration value="Busy"/>
<xs:enumeration value="Forbidden"/>
<xs:enumeration value="Global Failure"/>
<xs:enumeration value="Request Failure"/>
<xs:enumeration value="Server Failure"/>
<xs:enumeration value="Translation Failure"/>
<xs:enumeration value="Temporarily Unavailable"/>
<xs:enumeration value="User Not Found"/>
<xs:enumeration value="Request Timeout"/>
</xs:restriction>
</xs:simpleType>
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### Simple Type: AutomaticCallbackTerminatorIdleGuardSeconds

Parent type: | xs:int (derivation method: restriction)
Sub-types: | None

Name | AutomaticCallbackTerminatorIdleGuardSeconds
Content | Base XSD Type: int 5 <= value <= 300
Documentation | Idle guard timer seconds.

Schema Component Representation
<xs:simpleType name="AutomaticCallbackTerminatorIdleGuardSeconds">
<xs:restriction base=" xs:int ">
<xs:minInclusive value="5"/>
<xs:maxInclusive value="300"/>
</xs:restriction>
</xs:simpleType>
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## Legend

### Complex Type:

Schema Component Type

### AusAddress

Schema Component Name

Parent type: | Address (derivation method: extension)
Sub-types: | QLDAddress (by restriction)

If this schema component is a type definition, its type hierarchy is shown in a gray-bordered box.

Name | AusAddress
Abstract | no

The table above displays the properties of this schema component.
XML Instance Representation
<... country="Australia" >
<unitNo> string </unitNo> [0..1]
<houseNo> string </houseNo> [1]
<street> string </street> [1]
Start Choice [1]
<city> string </city> [1]
<town> string </town> [1]
End Choice
<state> AusStates </state> [1]
<postcode> string <<pattern = [1-9][0-9]{3}>> </postcode> [1] ?
</...>

The XML Instance Representation table above shows the schema component's content as an XML instance.

- The minimum and maximum occurrence of elements and attributes are provided in square brackets, e.g. [0..1].
- Model group information are shown in gray, e.g. Start Choice ... End Choice.
- For type derivations, the elements and attributes that have been added to or changed from the base type's content are shown in bold.
- If an element/attribute has a fixed value, the fixed value is shown in green, e.g. country="Australia".
- Otherwise, the type of the element/attribute is displayed.
  - If the element/attribute's type is in the schema, a link is provided to it.
  - For local simple type definitions, the constraints are displayed in angle brackets, e.g. <<pattern = [1-9][0-9]{3}>>.
- If a local element/attribute has documentation, it will be displayed in a window that pops up when the question mark inside the attribute or next to the element is clicked, e.g. <postcode>.

Schema Component Representation
<complexType name="AusAddress">
<complexContent>
<extension base=" Address ">
<sequence>
<element name="state" type=" AusStates "/>
<element name="postcode">
<simpleType>
<restriction base=" string ">
<pattern value="[1-9][0-9]{3}"/>
</restriction>
</simpleType>
</element>
</sequence>
<attribute name="country" type=" string " fixed="Australia"/>
</extension>
</complexContent>
</complexType>
The Schema Component Representation table above displays the underlying XML representation of the schema component. (Annotations are not shown.)
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## Glossary

Abstract (Applies to complex type definitions and element declarations). An abstract element or complex type cannot used to validate an element instance. If there is a reference to an abstract element, only element declarations that can substitute the abstract element can be used to validate the instance. For references to abstract type definitions, only derived types can be used.

All Model Group Child elements can be provided in any order in instances. See: http://www.w3.org/TR/xmlschema-1/#element-all.

Choice Model Group Only one from the list of child elements and model groups can be provided in instances. See: http://www.w3.org/TR/xmlschema-1/#element-choice.

Collapse Whitespace Policy Replace tab, line feed, and carriage return characters with space character (Unicode character 32). Then, collapse contiguous sequences of space characters into single space character, and remove leading and trailing space characters.

Disallowed Substitutions (Applies to element declarations). If substitution is specified, then substitution group members cannot be used in place of the given element declaration to validate element instances. If derivation methods, e.g. extension, restriction, are specified, then the given element declaration will not validate element instances that have types derived from the element declaration's type using the specified derivation methods. Normally, element instances can override their declaration's type by specifying an `xsi:type` attribute.

Key Constraint Like Uniqueness Constraint, but additionally requires that the specified value(s) must be provided. See: http://www.w3.org/TR/xmlschema-1/#cIdentity-constraint_Definitions.

Key Reference Constraint Ensures that the specified value(s) must match value(s) from a Key Constraint or Uniqueness Constraint. See: http://www.w3.org/TR/xmlschema-1/#cIdentity-constraint_Definitions.

Model Group Groups together element content, specifying the order in which the element content can occur and the number of times the group of element content may be repeated. See: http://www.w3.org/TR/xmlschema-1/#Model_Groups.

Nillable (Applies to element declarations). If an element declaration is nillable, instances can use the `xsi:nil` attribute. The `xsi:nil` attribute is the boolean attribute, nil, from the http://www.w3.org/2001/XMLSchema-instance namespace. If an element instance has an `xsi:nil` attribute set to true, it can be left empty, even though its element declaration may have required content.

Notation A notation is used to identify the format of a piece of data. Values of elements and attributes that are of type, NOTATION, must come from the names of declared notations. See: http://www.w3.org/TR/xmlschema-1/#cNotation_Declarations.

Preserve Whitespace Policy Preserve whitespaces exactly as they appear in instances.

Prohibited Derivations (Applies to type definitions). Derivation methods that cannot be used to create sub-types from a given type definition.

Prohibited Substitutions (Applies to complex type definitions). Prevents sub-types that have been derived using the specified derivation methods from validating element instances in place of the given type definition.

Replace Whitespace Policy Replace tab, line feed, and carriage return characters with space character (Unicode character 32).

Sequence Model Group Child elements and model groups must be provided in the specified order in instances. See: http://www.w3.org/TR/xmlschema-1/#element-sequence.

Substitution Group Elements that are members of a substitution group can be used wherever the head element of the substitution group is referenced.

Substitution Group Exclusions (Applies to element declarations). Prohibits element declarations from nominating themselves as being able to substitute a given element declaration, if they have types that are derived from the original element's type using the specified derivation methods.

Target Namespace The target namespace identifies the namespace that components in this schema belongs to. If no target namespace is provided, then the schema components do not belong to any namespace.

Uniqueness Constraint Ensures uniqueness of an element/attribute value, or a combination of values, within a specified scope. See: http://www.w3.org/TR/xmlschema-1/#cIdentity-constraint_Definitions.

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