xs:keyRef

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

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

Table 4.17. xs:keyRef properties
Property NameDescriptionPossible Values
NameThe keyref name. Always required.Any NCName.
Referred KeyThe name of referred keyany declared element constraints.
IDThe component id.Any ID.
ComponentThe edited component name.Not editable property.
NamespaceThe component namespace.Not editable property.
System IDThe component system id.Not editable property.