Maps to a UML Attribute added into some UML Class.

  • name – to Attribute name.
  • id – to TaggedValue.
key mapping to UML attributes
<key
	id = ID
	name = NCName 
	{any attributes with non-schema namespace …}>
	Content: (annotation?, (selector, field+))
</key>

For a key UML model example, see (2026x) Keyref.