Make sure you verify your custom website events!
I was greeted by this warning message at the top of my Events Manager (you may also see it in your Account Overview):
“Verify your custom website event(s). As part of Meta’s continuous system improvements, you must complete a one-time verification of custom website event(s) to confirm you intended to send the event to us. Unverified events will be discarded.”
I have a ton of custom events, so this is a pretty big deal for me.
Once you click Verify, you’ll get a list of the custom eventsConversion events tracked by the pixel, app SDK, or API that are outside of standard events. These tend to be created to fit the publisher's needs when a pre-defined standard event will not. More you need to verify. Verifying means you intended to send this event to Meta. There is also a due date. For me, it’s January 16 at 11pm for each one. If you don’t verify by that deadline, the event will be discarded.
I found that I didn’t need to verify all of these events. Some I don’t use anymore.
You should have some time to do this, but there’s no reason to wait until the last minute. Otherwise, you risk losing some of this tracking.