I am creating a Gmail addon, my doubt was how can I save some secure and confidential information on Google side so that I can use it later in my code. Does Google provide some kind of secured storage mechanism?
I am creating a Gmail addon, my doubt was how can I save some secure and confidential information on Google side so that I can use it later in my code. Does Google provide some kind of secured storage mechanism?
You can use app script's PropertiesService, it allows to store some unique information for scripts, attached to the script itself or the files the script is bound to. This site provides further explanation and examples on how to use the service.
If you're talking about Google Cloud, you can check this documentation about Local File Storage Security.
Also, Apps Script offers Cache Service that allows you to access a cache for short term storage of data: