Rules Group (Work Item Type Definition Schema)
Specifies rules for the FIELD element.
<xs:group name="Rules">
<xs:choice>
<xs:element name="REQUIRED" type="PlainRule"/>
<xs:element name="READONLY" type="PlainRule"/>
<xs:element name="EMPTY" type="PlainRule"/>
<xs:element name="FROZEN" type="PlainRule"/>
<xs:element name="CANNOTLOSEVALUE" type="PlainRule"/>
<xs:element name="NOTSAMEAS" type="FieldRule"/>
<xs:element name="VALIDUSER" type="ValidUserRule"/>
<xs:element name="ALLOWEXISTINGVALUE" type="EmptyRule"/>
<xs:element name="MATCH" type="PatternRule"/>
<xs:element name="ALLOWEDVALUES" type="ListRule"/>
<xs:element name="SUGGESTEDVALUES" type="ListRule"/>
<xs:element name="PROHIBITEDVALUES" type="ListRule"/>
<xs:element name="DEFAULT" type="DefaultRule"/>
<xs:element name="COPY" type="CopyRule"/>
<xs:element name="SERVERDEFAULT" type="ServerDefaultRule"/>
</xs:choice>
</xs:group>
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
None
Child Elements
Element |
Description |
|---|---|
Optional element. Defines the field as required. |
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Optional element. Defines the field as read-only. |
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Optional element. Defines the field as empty. |
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Optional element. Defines the field as frozen. A frozen field cannot be changed to any non-empty value after changes are committed. However, you can manually clear the field, save the work item, and then specify a different value. |
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Optional element. Defines the field as cannot lose value. This means that after the current field has acquired a value, it cannot be cleared or made empty. |
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Optional element. Specifies another field the value of which cannot be identical to the value of the current field. |
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Optional element. Specifies that the list of allowed values must consist only of valid users of the system. |
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ALLOWEXISTINGVALUE Element (Work Item Type Definition Schema) |
Optional element. Defines the field as allow existing value. This means that the field values that already exist will be allowed, even if they are not valid. All new field values must be valid. |
Optional element. Defines a pattern for the field that the field value must match. |
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Optional element. Defines a list of allowed values for the field. Allowed values are values that are available for selection in a field list on work item forms and in the query builder. You must select from one of these values. |
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Optional element. Defines a list of suggested values for the field. Suggested values are values that are available for selection in a field list on work item forms and in the query builder. You can enter other values in addition to the ones in the list. |
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Optional element. Defines a list of prohibited values for the field. |
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Optional element. Defines a default value for the field. |
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Optional element. Specifies another field that contains a value to be copied into the current field. |
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Optional element. Specifies a server component that will provide the value for the field. |
Parent Elements
None
Remarks
The Rules Group represents a choice. You can define a selection of rules for FIELD.
minOccurs: 1
maxOccurs: 1
Element Information
Namespace |
https://schemas.microsoft.com/VisualStudio/2005/workitemtracking/typedef |
Schema Name |
Work Item Type Definition |
Validation File |
WorkItemTypeDefinition.xsd |
Can be Empty |
Not applicable |