You can generate and save simulation instances for the methods that you selected on the Select Methods screen of the New REST Integration wizard. The system uses the simulation instances that contain request and response data to generate the request and response data models for the data source corresponding to the REST integration.
Note: Go to the XML/JSON tab to know and if needed, update the format of the request. For example, "{}" represents JSON and "<>" represents XML.
When you update the tree format, the system updates the XML/JSON tab with the corresponding raw format.