gml:operationParameter is an association role to the operation parameter of which this is a value.
<gml:operationParameter xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" gml:remoteSchema="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple"> <gml:OperationParameter gml:id="">{1,1}</gml:OperationParameter> </gml:operationParameter>
<element name="operationParameter" type="gml:OperationParameterPropertyType"> <annotation> <documentation>gml:operationParameter is an association role to the operation parameter of which this is a value.</documentation> </annotation> </element>