Hello,

Most GCP operators accept the delegate_to parameter. It is not super well documented and it can be confusing to users exactly when they would use this as opposed to another conn id.

A little more documentation on the following page would be helpful.
https://airflow.readthedocs.io/en/latest/howto/connection/gcp.html

You can get extra points for adding information about Impersonated credentials
. This feature is not supported by Airflow, but it is related (ticket).

Are you wondering how to start contributing to this project? Start by reading our contributor guide

Best regards,
Kamil

CC: @jaketf