The AddTag operation creates an association between a social tag and a specified URI, for the current user.

The following is the WSDL port type specification of the AddTag WSDL operation.

 <wsdl:operation name="AddTag" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
   <wsdl:input message="tns:AddTagSoapIn"/>
   <wsdl:output message="tns:AddTagSoapOut"/>

The protocol client sends an AddTagSoapIn request message (section and the protocol server responds with an AddTagSoapOut response message (section

The protocol server MUST associate the social tag with the user profile of the current user.

If no social tag term exists for the specified termID (see section, the protocol server MUST send a SOAP fault message.