Full Answer
Using GA4 DebugView: Enable debug mode: Or add to any page URL: Access DebugView: GA4 → Configure → DebugView What you see:
- Events as they fire
- Event parameters
- User properties
- Errors and warnings Testing workflow: 1. Enable debug mode 2. Open DebugView 3. Trigger events on site 4. Watch them appear in DebugView 5. Verify parameters correct DebugView events don't count in reports—safe for testing.