How can I set up behavioral triggers?
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You've identified a behavior you want to act on, maybe a subscriber browses a product page but never buys, or someone goes quiet after a welcome sequence. Now you want an email to fire automatically when that happens. Here's how to actually make that work.
Step 1: Get tracking in place
Your ESP needs to know what people are doing on your site. Most modern platforms, like Klaviyo, Customer.io, or Braze, give you a JavaScript snippet to paste into your site's <head>. That snippet tracks page views and, once someone identifies themselves, ties browsing history to their email address.
If you're pulling data from multiple sources (your app, your site, your CRM), a customer data platform like Segment can route all of it into one place before passing it to your ESP. That cuts down on messy one-off integrations.
Step 2: Identify your subscribers
Tracking only works once you know who you're tracking. Anonymous visitors can't receive emails. You tie a session to an email address when someone logs in, starts a checkout, fills out a form, or clicks a link from an email they received. After that, everything they do gets attached to their profile.
Now if you're using an ESP's native tracking, this usually happens automatically when someone clicks through from one of your emails. (It's one reason your email links matter more than people think.)
Step 3: Define the trigger event
In your ESP or automation platform, you'll create a rule that listens for a specific action. Something like this:
- Trigger: Viewed Product Page
- Condition: Did NOT complete purchase within 2 hours
- Action: Send browse abandonment email
Now the exact interface varies by platform, but every behavioral trigger follows the same pattern: event, conditions, outcome. Keep your first trigger simple. One event, one condition, one email. You can layer in complexity once you've confirmed it's working.
Step 4: Build the email and workflow
Write the email that fires from this trigger. For behavioral triggers, personalization matters more than it does for broadcast campaigns. Use the data you collected: the product they viewed, the category they browsed, the feature they didn't try. Most ESPs let you pull this in as merge tags or dynamic content blocks.
Set your timing carefully. A cart abandonment email works best within an hour. A re-engagement email for inactivity makes more sense after 60 to 90 days. Timing is part of the strategy, not an afterthought.
Step 5: Test before you go live
Send yourself through the flow. Trigger the event manually using a test account, confirm the event fires in your ESP's activity log, and check that the email lands correctly. Then check the timing. A two-hour delay should actually be two hours, not instant and not twelve.
It's worth checking whether your trigger fires more than once per user per session too. You don't want the same person getting three browse abandonment emails because they refreshed the page. Most ESPs have a "fire once" or frequency cap option. Use it.
Not sure if your current ESP even supports the type of trigger you have in mind? That's worth checking before you build anything. If you're stuck on the technical side, our SOS hotline is free and no-pitch.
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