interfaceName 

Interface is called portType in WSDL 1.1. The name of the
interface or portType mapped logically in Operation Mapping. Note: This attribute was added in v2.0.

Attribute Information

Used By

Attribute Group map

Source 

<xsd:attribute name="interfaceName" type="xsd:NMTOKEN" use="required">
  <xsd:annotation>
    <xsd:documentation>Interface is called portType in WSDL 1.1. The name of the interface or portType mapped logically in Operation Mapping. Note: This attribute was added in v2.0.</xsd:documentation>
  </xsd:annotation>
</xsd:attribute>

Sample