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Figure 1: The xs:keyRef Component

Specifies that an attribute or element value corresponds to that of the specified key or unique element. See more info at http://www.w3.org/TR/xmlschema11-1/#element-keyref.

A keyref by default displays the Referenced Key property when rendered.

Table 1. xs:keyRef Properties
Property Name Description Possible Values
Name The keyref name (always required) Any NCName
Referenced Key The name of referenced key Any declared element constraints
ID The component ID Any ID
Component The edited component name Not editable property
Namespace The component namespace Not editable property
System ID The component system ID Not editable property