test api using postman

issue to test api using postman

how to pass credintials in
https://sap-srm-vendor-dev.api.tatamotors.com/api/esb/srm

see Screenshot from 2022-08-07 04-41-39.png attached
how to create python code

{
"client_id":"2d95f7d6",
"grant_type":"password",
"username":"3scaleuser2",
"password":"myPass2@",
"client_secret":"a8d106d95ac114c86a7d6584894497a9"
}