When changing the status 'In Progress' to 'Resolved' I have created a specific screen. In this screen we can leave a comment to the customer. This in most cases will be a overview of what we have done and what the specific solution is to their problem.
We would like this comment to be entered automatically in a specific custom field named 'Solution'.
Right now, I tried this set up, but it is obviously not working as I feel there are some things missing. I couldn't find how to specify the exact transition screen.
Current set-up:



Thanks in advance!