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In order to test these events we need to keep an eye on the Test Events tab from our Facebook’s events manager, every time one of the events is triggered it should be listed and very important the event must be Deduplicated.
Events Deduplication
Deduplication is a concept that facebook defines as a process for avoiding the duplication of events; it is important to remember that CAPI works together with the Facebook pixel, meaning that each event is going to be reported by the browser and also from the server side. If you want to know more about deduplication please refer to the Facebook’s official documentation.
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