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
FIELD Element (WORKFLOW)	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.
FIELD Element (WORKITEMTYPE Element)	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	PlainRule Complex Type (Work Item Type Definition Schema)
Can Be Empty	Not applicable

See Also

Concepts

Available Field Rules

Other Resources

Defining Field Rules