I don't know if their is an official way to do it, but here is how I did it. - go to webhooks.site and grab yourself a free webhook - now go to the trigger node and connect it to a "execute code" block - in the code block send a post request with relevant data (using axios) to the webhook you got from webhooks.site - now whenenever that trigger happens, you would be able to see that a request has been received by the webhooks.site webhook, thats how you know if the trigger happened.