You can enter parameters in the subject field of a notification to generate a dynamic subject for email notifications.
The following parameters can be entered in the subject field:
For example, if you want to create an email notification that informs you whenever the state of an issue changes, you could add the following text into the subject field:
State of issue {ID} was changed by {user}.
If Bill would fix the currently open issue no. 2, you would receive an email notification with the following subject:
State of issue 2 was changed by bpetersson.