gml:OperationMethodPropertyType is a property type for association roles to a concrete general-purpose operation method, either referencing or containing the definition of that method.
<complexType name="OperationMethodPropertyType"><annotation><documentation>gml:OperationMethodPropertyType is a property type for association roles to a concrete general-purpose operation method, either referencing or containing the definition of that method.</documentation></annotation><sequence minOccurs="0"><element ref="gml:OperationMethod"/></sequence><attributeGroup ref="gml:AssociationAttributeGroup"/></complexType>