Stage 2 · Lesson 2 of 8
Triggers: webhook, schedule, app and manual
Every n8n starts with a trigger node, and there are four common kinds. The node gives you two addresses: a test URL and a . The Schedule Trigger runs on a timer, either a simple interval or a (a short code for times such as "every weekday at 9").
App triggers, such as Gmail or Google Sheets, either receive events or poll, checking every few minutes. A manual trigger lets you run the workflow by hand while you build. For production triggers to fire, the workflow must be activated, which means switched on.
Activated runs appear in the . Test URLs only listen while you are watching the editor. Get this right before expressions and credentials, because nothing runs without it.
Common trapgiving a client the test webhook URL, which stops working the moment you close the tab.
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n8n · Beginner
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