use case: Integrate ServiceNow with another ServiceNow by using OAuth 2.0 Authentication.
1) We have create Client Id and Client Secret for the target instance in Application Registry
then we have to select > Create an OAuth API endpoint for external clients:
from all of the other option.
and now we can create Client ID and Client Secret from this Application Registry
2) Now we have to Use this Client ID and Client Secret in our Source Instance:
*Again in source instance we have to create Application Registry;
in this we have to provide Client Id and Client Secret for the target Instance:
as mentioned below:
** At last we can select our OAuth 2.O Authentication from REST Message Authentication place.
