Update draft
documentedReplaces a draft's content.
PUT /gmail/v1/users/{userId}/drafts/{id}Usersno implementation yet0 runsInput
user_id*
User ID (email address or 'me')
me or user@example.com
draft_id*
Draft ID
draft id
raw_message*
Message raw (base64url encoded MIME)
Base64url encoded MIME
Calls Gmail as you (your API key is your account); keychains.dev holds the credentials.