Fetch all check result events matching the `event.service` name `random`:
```
-$ curl -k -s -u root:icinga -X POST 'https://localhost:5665/v1/events?queue=debugchecks&types=CheckResult&filter=match%28%22random*%22,event.service%29'
+$ curl -k -s -u root:icinga -H 'Accept: application/json' -X POST 'https://localhost:5665/v1/events?queue=debugchecks&types=CheckResult&filter=match%28%22random*%22,event.service%29'
```
You can use the Icinga 2 API [event streams](12-icinga2-api.md#icinga2-api-event-streams) to receive live notification streams:
```
-$ curl -k -s -u root:icinga -X POST 'https://localhost:5665/v1/events?queue=debugnotifications&types=Notification'
+$ curl -k -s -u root:icinga -H 'Accept: application/json' -X POST 'https://localhost:5665/v1/events?queue=debugnotifications&types=Notification'
```
## Feature Troubleshooting <a id="troubleshooting-features"></a>
Fetch all check result events matching the `event.service` name `remote-client`:
```
-$ curl -k -s -u root:icinga -X POST 'https://localhost:5665/v1/events?queue=debugcommandendpoint&types=CheckResult&filter=match%28%22remote-client*%22,event.service%29'
+$ curl -k -s -u root:icinga -H 'Accept: application/json' -X POST 'https://localhost:5665/v1/events?queue=debugcommandendpoint&types=CheckResult&filter=match%28%22remote-client*%22,event.service%29'
```