Facebook Offline conversion

Send your offline conversions (like purchases made in stores) directly to Facebook.
Create a new stream, select Facebook Offline conversion connector and enter the information needed:

How to find the Offline Event Set Id?

On Facebook Business Manager, click on Events Manager and create a new data source:
Then select offline:
Finish the data source configuration and retrieve the Event set ID:

How to generate the token?

Still on Facebook Business Manager, click on Business settings and select system user:
Create a system user (if you don't already have one) and generate a token:
Select ads_management authorization:
Copy and paste the token on our connector configuration page.