---
title: What Is BuyerBridge EventFlow?
description: BuyerBridge EventFlow is one of our Lead Tracking features that allows us to measure results across Facebook Ads & ALL other website traffic for an advertiser. From websites and offline events to link
---
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3. [EventFlow](https://support.buyerbridge.com/knowledge/platform-tools?hsLang=en#eventflow)
# What Is BuyerBridge EventFlow?
## How EventFlow tracks shopper behavior on a dealership website and sends it to your ad platforms and GA4.
EventFlow is one piece of tracking code that goes in a dealership website header. It watches how shoppers behave on the site, validates what it captures, and sends qualified events to your ad platforms and to Google Analytics. It does not replace the dealership's existing pixels. It adds the custom event tracking those pixels cannot do on their own.
**Quick Links**
- [What EventFlow Tracks](https://support.buyerbridge.com/knowledge/what-is-buyerbridge-eventflow#what-it-tracks)
- [Why It Matters for Meta](https://support.buyerbridge.com/knowledge/what-is-buyerbridge-eventflow#meta)
- [How It Works With Google Analytics](https://support.buyerbridge.com/knowledge/what-is-buyerbridge-eventflow#google-analytics)
- [How to Confirm EventFlow Is Running](https://support.buyerbridge.com/knowledge/what-is-buyerbridge-eventflow#confirm)
---
#### **What EventFlow Tracks**
EventFlow captures shopper behavior across all website traffic, not only traffic from your ads. It tracks over 100 data points and fires events when a shopper takes an action that matters.
Tracked actions include:
- Vehicle detail page views, down to the VIN
- Form submissions
- Click-to-call taps
- Directions requests
- Time spent viewing a vehicle
- Chat widget conversions, including Matador and Gubagoo inline chat
Each captured event is validated against quality criteria before it is sent on. Incomplete or malformed events are dropped rather than passed through.
---
#### **Why It Matters for Meta**
Meta no longer lets you build custom audiences inside its own tools. EventFlow is how BuyerBridge keeps vehicle-level audiences working through the API, which means a shopper who viewed one specific truck can still be retargeted with that truck.
Without EventFlow you lose vehicle-level retargeting, and matchback reporting becomes much less accurate because there is less behavioral data behind the match.
---
#### **How It Works With Google Analytics**
**BuyerBridge connects to the dealership's existing GA4 property. We do not create a Google Analytics account for them.**
This changed in August 2026. Before that, the onboarding flow created an account. It no longer does. During onboarding you connect the GA4 property the dealership already owns, and the customer selects which standard events to send.
To connect GA4:
1. Confirm the dealership already has a GA4 property and that someone on their side has admin access.
2. During channel onboarding, select **Google Analytics**.
3. Authenticate with an account that has admin access to the property.
4. Select the standard events to send.
**Important:** If the dealership has no GA4 property, one has to be created on their side before this step. BuyerBridge cannot create it for them.
**Note:** GA4 events can take 24 to 48 hours to appear after setup. An empty report on day one is expected, not a failure.
**Facebook and GA4 numbers will not match.** They attribute differently and count differently. Use each one for what it measures rather than trying to reconcile them.
---
#### **How to Confirm EventFlow Is Running**
1. Open the dealership website in a browser.
2. View the page source and search for the EventFlow script in the header.
3. Visit a vehicle detail page, then check the channel reporting in BuyerBridge for the event.
Allow up to 48 hours before treating a missing event as a problem.
**Still not seeing events?** Submit a ticket with the dealership name and the page URL you tested.
---
#### Continue Learning
- **Related:** [Sales Matchbacks and Offline Conversions](https://support.buyerbridge.com/knowledge/sales-matchbacks-/-offline-conversions-metrics-defined?hsLang=en)
- **Related:** [Google Analytics Tracking](https://support.buyerbridge.com/knowledge/google-analytics-tracking?hsLang=en)
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