Since both body and formData need to specify header formatting settings, two different methods cannot be set in the same request.

Original text
Body - The payload that's appended to the HTTP request. Since there can only be one payload, there can only be one body parameter. The name of the body parameter has no effect on the parameter itself and is used for documentation purposes only. Since Form parameters are also in the payload, body and form parameters cannot exist together for the same operation.
https://github.com/OAI/OpenAP...