By default, model-driven apps allows a specified set of query string parameters to be passed to a form. You use these parameters to set default values when you create a new record in the application. Each parameter must use a standard naming convention that includes a reference to the column logical name. There are two ways to specify which query string parameters will be accepted by the form: * Edit form properties * Edit form XML Reference: https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/configure-form-accept-custom-querys