Arbortext Command Language > Functions by Alphabetical Listing > oid_attr_required
  
oid_attr_required
oid_attr_required (oid, attrname)
This function returns 1 (True) if the attribute attrname for the element specified by OID is a required attribute, that is, declared as #REQUIRED in the DTD.
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If you have applied an alias map to the document, attrname can be either an alias or a real name.