MarkLogic Server 11.0 Product Documentation
Element.getAttributeNodeNS

Element.getAttributeNodeNS(
   uri as String?,
   localname as String
) as Attr

Get the attribute of this element with the given localname and namespace URI, if any.

Parameters
uri	Namespace URI of the attribute.
localname	Local name of the attribute.

cts.doc("example.xml").getElementById("ex1").
  getAttributeNodeNS("http://www.w3.org/XML/1998/namespace","lang").isSpecified

MarkLogic Server 11.0 Product DocumentationElement.getAttributeNodeNS