This is a JSON Message Responder that is preconfigured to be constrained to a OpenAPI/Swagger service definition. You can create a REST (OpenAPI/Swagger) Message Responder tool directly from the Add Responder wizards. This responder is preconfigured as follows:
|Response tab view
For details on configuring Message Responders that are constrained to an OpenAPI/Swagger definition, see Definition Tab.
Form JSON input mode allows you to define and parameterize JSON payloads via a graphical interface (as described in Form JSON View Options).
All of the available configuration options for this type of message responder are covered in Message Responder Overview.
For tips on virtualizing JSON services, see Using JSON.