The Firestore reStore variable allows you to create a custom variable within GTM that connects to a Firestore database and retrieves specific documents or collections. It’s useful for dynamically fetching data stored in Firestore and using it in various GTM tags, triggers, and variables.
The variable searches for the record inside the Firestore based on the list of identifiers and restores parameters specified in the section’s list of data that needs to be restored.
     1. Firestore reStore in Template Gallery.
     2. Firestore reStore on GitHub.
     3. Building a custom CDP and enriching event data using server-side GTM.
This blog post will show how to write data to Firestore from the server Google Tag Manager container. I’ll also show how to use the Firestore Writer tag and Firestore Lookup variable to enrich server-side data.
This blog post provides practical tips to enhance data management and analytics by building a custom CDP and enriching event data utilizing server GTM.