As the name explains, Google Service Account add-on allows you to add a Google Service Account to your tagging servers.

These credentials allow you to interact with your Google Cloud project from your tagging server, allowing you to write data to Firestore and BiqQuery with ease.

To enable it, open GCP and create a service account with the minimal required permissions to perform the task.

While assigning permissions to the service account, you will need to attach the BigQuery Editor role:

As a best practice, remember to add the required IAM conditions to restrict the access further.

Select the newly created service account

And click on KEYS and select Create new key from the 'Add key' dropdown:

Select JSON as the format and click on create:

Now that the credentials file ve been saved saved on your computer, locate it, go to your container on SprTags > Add-ons > Google Service Account, upload you credentials and click on save.