Editing user notification rules
You can edit user notification rules, but cannot change the activity selected on the Trigger When tab.
1. Choose Tools > User Options then select the Notifications category.
2. Select an item Type. The items change based on the selected type.
3. Select a rule and click Edit.
The Edit Notification Rule dialog box opens.
4. Make any changes and click OK. For information about rule options, see Adding user notification rules.