Can you please explain me as what is event ID, how we can track it, where we can see the event ID for the particular page and campaign page.
exm: In DTM, in Admin Console as where we can get the Event ID for the particular page and campaign page.
Also, what is the purpose behind that, how to use it...
Thank you for your query.
Looks like you are talking about the event serialization. Here's a doc that could be of help: