Is there a way to create a view that is essentially only a button that triggers a workflow? (nb. so a button in the menu, not in any row detail view) I’d like users to have a main menu item that triggers (via post request) an appsscripts in the gDriv...

Is there a way to trigger a webhookcall when the app is launched by the user? I want to use this webhook call to update the google drive sheet data, which depends on which user is using the app and needs to show the latest data.