IDIH Alarm Forwarding Working in Alarm Forwarding Using Alarm Forwarding Editing a Filter 3.4.2 Editing a Filter To edit an existing Filter: Select a Filter from the Filter table. Click the Modify Filter icon on the toolbar. Modify the appropriate field(s) as needed.For specific information on fields and options, see Creating a Filter. Click Next. Update Destination information as necessary. Note:For SNMP, only one trap destination can be defined. For SMTP, multiple email destinations are permitted. Click Finish to save the record changes.