Oauth2.0 I don't know how to enter urls authorize tab

I cant fill the required field in the get access token page


what values should I enter for parameters in the get new acess token screen page in postman
I tried my api https://www.timeattendance.app:8090//api/EmployeeType/registered/callback for callback url
I don’t know how to enter urls and client id and other parameters to get token