An automation engine is useless if it doesn't know when to start. Trigger nodes are the sensors of your workflow, listening for specific events to fire the execution.
1The Webhook Advantage
While Polling nodes work by constantly asking a service 'Is there new data yet?', Webhooks turn the relationship around. The service (like Stripe or Shopify) 'pushes' data to n8n the exact millisecond an event occurs.
This 'Push' architecture is significantly more efficient, reducing server load and ensuring that your automations react in real-time. For a technical marketer, mastering webhooks is the key to building high-speed, responsive business systems.
// Webhook Endpoint Configuration
// Method: POST
// URL: https://n8n.mycompany.com/webhook/stripe-events
{
"event_type": "payment_intent.succeeded",
"customer_id": "cus_12345"
}2Scheduling the Future
Not every automation needs to react to an external event. The Schedule Trigger allows you to run workflows at specific intervals: every minute, every Monday morning, or on the first day of every month.
This is perfect for routine maintenance, daily reports, or periodic data syncing. By combining schedules with logic, you can build systems that 'look for work' and only continue if specific criteria are met, creating a powerful 'set and forget' infrastructure.
// Cron Schedule
// Run every weekday at 8:00 AM
Schedule: "0 8 * * 1-5"
// Action:
await generateDailyReport();3App-Specific Triggers
Many platforms abstract away the complexity of raw Webhooks by offering Native App Triggers. For example, instead of manually generating a webhook URL and pasting it into Typeform's developer settings, you simply use the 'Typeform Trigger' node in n8n.
You select your form from a dropdown, and the tool handles the entire API subscription process behind the scenes via OAuth. This drastically accelerates development while maintaining the real-time speed of a webhook.
// Behind the scenes of a Native Trigger
await TypeformAPI.subscribe({
form_id: 'V1XYZ',
target_url: n8n_callback_url
});