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Logical contract

The abstract portion of a WSDL document that defines the data types, message types, and the interfaces for the services defined in the contract.

The logical contract answers questions such as:

  • What kinds of data will this service work with?
  • What kinds of data are grouped together for processing?
  • What operations are related and what are their interfaces?

WSDL elements used in the logical contract include: portType element, operation element, message element, and types element.

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