HostApp

The Google Workspace application from which a Google Workspace Add-on launches. For Chat apps, the host app is always CHAT.

Enums
UNSPECIFIED_HOST_APP Google can't identify a host app.
GMAIL The add-on launches from Gmail.
CALENDAR The add-on launches from Google Calendar.
DRIVE The add-on launches from Google Drive.
DEMO Not used.
DOCS The add-on launches from Google Docs.
SHEETS The add-on launches from Google Sheets.
SLIDES The add-on launches from Google Slides.
DRAWINGS The add-on launches from Google Drawings.
CHAT A Google Chat app. Not used for Google Workspace Add-ons.