Difference between gmail.insert & gmail.compose

[Rob Reid]

I can't find any documentation explaining the differences between these scopes:

- https://www.googleapis.com/auth/gmail.insert

- https://www.googleapis.com/auth/gmail.compose

The following states that insert can "Add emails into your Gmail mailbox" while compose can "Manage drafts and send emails".

https://developers.google.com/identity/protocols/oauth2/scopes

I can't find anything that says how to "add email". I assumed that meant compose a draft without being able to send it. But GmailApp.createDraft fails, telling me it needs these:

https://www.googleapis.com/auth/gmail.compose || https://www.googleapis.com/auth/gmail.modify || https://mail.google.com/ || https://www.googleapis.com/auth/gmail.addons.current.action.compose