Once you are happy with your Ticket configuration, you can test it in Work Manager.
To set a Ticket live, click 'Save'. If there are any validation issues, they will need to be sorted. Once you have saved any further changes, you can now set the Ticket live.
You can also set a Ticket live from the Service Matrix Screen, provided it is in a state of Validated Changes, or Live with Validated Changes:
Setting whether a Ticket will allow feedback is now done in the Ticket type settings in the Service Lines screen. See here for more details.
