fallback
Specifies a fallback function invoked when OAuth flow fails with an AuthenticationFailedCause.Error, e.g., a token exchange error, network/parse failure, etc. If call is not handled in the fallback, 401 Unauthorized will be responded.
Specifies a fallback function invoked when OAuth flow fails with an AuthenticationFailedCause.Error, e.g., a token exchange error, network/parse failure, etc. If call is not handled in the fallback, 401 Unauthorized will be responded.