Finish the user authentication flow and issue an official user access token.
https://developer.themoviedb.org/v4/reference/auth-create-access-token
Generate a new request token to ask a user to approve.
Optional
https://developer.themoviedb.org/v4/reference/auth-create-request-token
Log out of a session by invalidating an access token.
https://developer.themoviedb.org/v4/reference/auth-logout
Finish the user authentication flow and issue an official user access token.