Go to the Pixels & Events tab to confirm the Custom Event and Base Pixel are both "Active." Custom Events will not measure conversions if the Base Pixel is inactive.
If the status is "Inactive" or has no events are recorded in the last 15 minutes, try a test conversion:
- Manually generate a conversion by navigating to the URL of your Custom Event.
- Wait at least 2 minutes.
- Go back to the Pixels & Events tab and check the Occurrences in the Past 15 Minutes column. The Custom Event is reporting correctly of this column displays a non-zero value.