Specifies whether to generate the WSDL File Overview pages/blocks.

When this parameter is specified, a WSDL File Overview page/block will be generated for each WSDL file being documented. That may include:

What exactly is included in the overview is controlled by the parameter group:
Details | WSDL File | Overview
Additionally, the full reproduced XML source of the WSDL file can be added at the end of the overview. That is controlled by the parameters: