When you create a service first provider web service descriptor, you select one or more services to use as operations. The service signature becomes the input and output messages for the operations in the WSDL document. However, Integration Server allows constructs within service signatures that cannot be represented in certain web service style/use combinations.

When adding a service to or creating a service first provider web service descriptor, Integration Server verifies that the service signature can be represented in the style/use specified for the web service descriptor. If a service signature does not meet the style/use signature requirements, Integration Server will not add the service as an operation. Or, in the case of creating a service first provider WSD, Integration Server will not create the WSD.

Following, is a list of service signature restrictions and requirements for each style/use. Note that this list may not be exhaustive.