The Fault Binding element contains binding definitions for binding a protocol such as SOAP or HTTP to an Operation Fault.
Required - Indicates whether the Extension is necessary for the action to which it refers.
SOAP Extension Properties
HTTP Extension Properties
<binding name="NewBinding" type="tns:NewPortType">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http" />
<soap:operation soapAction="" />