Ticketing
The ticketing integration lets Horizon create and update tickets in external systems in response to new or resolved alarms.
To activate the ticketing integration, configure the following settings in a .properties file in ${OPENNMS_HOME}/etc/opennms.properties.d:
| Property | Description | Default Value | 
|---|---|---|
| opennms.ticketer.plugin | The plugin implementation to use.
Each ticketer integration should define which value to set.
The  | NullTicketerPlugin | 
| opennms.alarmTroubleTicketEnabled | Defines if the integration is enabled. If enabled, various links to control the issue state appear on the alarm details page. | false | 
| opennms.alarmTroubleTicketLinkTemplate | A template to generate a link to the issue (for example,  | ${id} | 
Supported ticketers
For information on supported ticketers and how to configure them, see Ticketer.