This tool limits the number of conversion events for conversion optimization to eight per domain. To create an ad set, you must choose one of the eight priority conversion events for which to perform the optimization.
Aggregated Events Measurement
The aggregated event measurement is a Facebook’s tool whose goal is to support measurement of web events coming from iOS 14 users once Apple’s App Tracking Transparency (ATT) is enacted. It is intended to allow advertisers to measure campaign performances while respecting consumers’ decisions about their data.
