Development tools : Web services tooling : Reference : Input fields in the Web services tooling wizards : Input fields for the Generate Web Services Access Operation wizard : Data Mapping page
  
Data Mapping page
Context
The data context for the UDTT operation. You must select the data elements that must be mapped to the Web service parameters.
WS Operation
The area that lists the input and output parameters of the Web service operation. You must select the input and output parameters to which the UDTT operation data must be bound.
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Input fields for the Generate Web Services Access Operation wizard