Hints forwarded to the issuer so it can skip its provider chooser.
Most integrations should use createUpbond instead.
Optional
Connection name (Auth0 semantics): 'google', 'line', 'email', 'sms', ...
Pre-filled identifier (email address, phone number).
Hints forwarded to the issuer so it can skip its provider chooser.
Remarks
Most integrations should use createUpbond instead.