Changes to Recuse an assignment

api tag Assignments added

api tag Assignment removed

added the media type application/xml for the response with the status 400

added the media type application/xml for the response with the status 401

added the media type application/xml for the response with the status 403

added the media type application/xml for the response with the status 404

added the media type application/xml for the response with the status 422

added the media type application/xml for the response with the status 429

added the media type application/xml for the response with the status 503