CANNOTLOSEVALUE Element (Work Item Type Definition Schema)
Defines the field as cannot lose value. This means that once you give the field a value, it must always contain a non-NULL value.
<xs:element name="CANNOTLOSEVALUE" type="PlainRule"/>
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
Attribute |
Description |
|---|---|
for |
Optional PlainRule attribute. The name of a user or group to whom this rule applies. |
not |
Optional PlainRule attribute. The name of a user or group to whom this rule does not apply. |
Child Elements
None.
Parent Elements
Element |
Description |
|---|---|
Required element. References a work item field definition and the rules and conditions that apply to the field. The reference is based on the STATE, TRANSITION, DEFAULTREASON, or REASON element that its parent FIELDS element is a child of. |
|
Required element. Defines a work item field and specifies the rules and conditions that apply to it. |
Remarks
CANNOTLOSEVALUE is an optional child element of FIELD (Work Item Type Definition Schema) and FIELD (WORKITEMTYPE element).
Example
<CANNOTLOSEVALUE for="user or group name" not="user or group name" />
Element Information
Namespace |
https://schemas.microsoft.com/VisualStudio/2005/workitemtracking/typedef |
Schema Name |
Work Item Type Definition |
Validation File |
WorkItemTypeDefinition.xsd |
Element Type |
|
Can Be Empty |
Not applicable |
See Also
Concepts
Field Rules, Defaults, Qualifiers, Lists, Actions, and Matching Patterns