Reference

Gmail add-ons are built using Apps Script and the many services it provides. You can use any of the Apps Script services when building your add-on, but the following are often particularly useful:

  • Card service: Use this to build a user interface for your Gmail add-on.
  • Gmail service: Use this to access a user's Gmail data and messages.
  • Properties service: Use this to store and retrieve add-on state using property strings.
  • URL Fetch service: Use this to retrieve information from third-party URLs.

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Gmail Add-ons
Gmail Add-ons
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