To populate manager using server-side code, you can query the user table and retrieve the manager's details based on the user's ID.

• Use GlideRecord to query the user table

• Retrieve the manager's details...read more

You can use the onChange client script on the caller_id, and send that caller_id to the script include. In the script include you can write a glideRecord query to fetch the caller's manager and can re...read more

You can use get reference method and set the value in required field.