It is necessary to set up the Facebook Conversion API according to the instructions. As a result, it should track all events in the Facebook Ads Manager from advertising campaigns and Facebook conversions in Google Analytics GA4. The pixel is installed.
CAPI
Overview of the Conversion API https://developers.facebook.com/videos/2020/conversion-api-capi-overview/
Implementation of the Conversions API using personalized instructions in Meta Events Manager https://www.facebook.com/business/help/232481544843294
How the Conversions API works https://www.facebook.com/business/help/2041148702652965
About standard and custom events on the site: https://www.facebook.com/business/help/964258670337005
Comparison of cost and complexity of setup options https://www.facebook.com/business/help/433493041367251
Recommendations for working with the Conversions API https://www.facebook.com/business/help/308855623839366
How to prepare a company for using the Conversions API: https://www.facebook.com/business/help/1295064530841207
Monitoring and improving CAPI performance https://www.facebook.com/business/help/586304118741779
Link to setup for developers: https://developers.facebook.com/docs/marketing-api/conversions-api
Information about Updates for iOS 14.5: https://developers.facebook.com/docs/meta-pixel/implementation/marketing-api#inpageevents
About ROAS goal
https://www.facebook.com/business/help/1113453135474912?id=2196356200683573
About cost per result goal
https://www.facebook.com/business/help/272336376749096?id=2196356200683573
Set the value and currency of your Meta Pixel standard events
https://developers.facebook.com/docs/meta-pixel/implementation/conversion-tracking/
https://www.facebook.com/business/help/392174274295227?