...
Webhook Listeners also allow you to filter which events that the listener will process by using groovy script. The groovy script will return true when the listener should process the event and false otherwise. You are able to use all of the Webhook Context Variables and Methods that can be used in the event listener groovy script. This allows the filter to be very robust and your listener to only process the exact events that you want. For example, you can specify that you want your workflow completed listener to only process a workflow that has failed a deployment on your Dev environment and ignore all other workflow events.
...