Using FB offline conversion tag for the sGTM container, you can now set up offline conversion easier and cheaper than before. It's one of the ways to boost your FB campaign results and improve attribution.
You can upload offline event data to Facebook, which will match events to people who saw or clicked FB ads. If FB can identify a person and match them with the ad, it will count the event as a conversion towards the ad campaign.
The logic of the FB offline conversion tag is exceptionally similar to the stape's FB conversion API tag. But there are some additional parameters and steps required to set up FB offline conversion tag that are covered in our article.
1. Facebook offline conversion using server GTM.
2. Facebook Tag for Google Tag Manager Server Side