How we can track Facebook video from GTM?
 

How we can track Facebook video from GTM?

Log in to your Google Tag Manager account.
Select your website's container and click Add a new tag.
Click Custom HTML tag and enter a name for your tag.
Go to Events Manager and select Add Event.

Google tag manager
 

Go to Facebook Ad Manager (FAM) and click to get the Pixel Code. Since Facebook changes the interface quite frequently, you will have to use the Facebook help section if you don't know where to get this code. In the Facebook Pixel section, click on Set Up à Setup Event. In the next screen, select Manually Add Event Code.