When a ticket is created, you can automatically add a tag to it, based on the properties of the ticket. For example, if a premium customer raises a ticket with High priority, you can add the tag 'Important' to those tickets.
To have this set up, you would have to create a new automation rule under Admin > Workflows > Automations > Ticket creation > New rule:
Conditions:
Match ALL of the below
In Tickets > If Priority > Is any of > Urgent
In Contacts > If Requester name > Is > Saul
Actions:
Add tag > Important
