You can now add subscribers to tickets based on preset conditions.
1. Go to Manage >> Smart Rules.
2. Click on add new smart rule.
3. Set the conditions that you wish to associate this smart rule to.
4. Choose the subscriber you wish to add.
5. Associate the category for this smart rule.
6. Click on Save settings.
For tickets matching the conditions specified in the smart rule, the staff member associated in the smart rule will be added as a subscriber.