Dears,
How do I update a user type column in workflow. I already got the item with id but as I checked there is no 'Current_User' field in the flow. Also how can I select the user?

Dears,
How do I update a user type column in workflow. I already got the item with id but as I checked there is no 'Current_User' field in the flow. Also how can I select the user?