Hey ET
If you are interested in making this test while the ticket was already created, you can add the following script to your workflow Validator.
cfValues['Your Field Name']!=null
If you are looking to make a field mandatory from ticket creation - follow Joao's answer.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.