InternalReadonlyaacReadonlycodeThe verification code received by email.
ReadonlycontextThe code screen's context token (FindAccount → contextData).
Readonlyserverserver_params of the code-submission action (FindAccount).
ReadonlywaterfallThe waterfall id the login home was opened with; the echoed action carries its own copy.
The account-access-context token the flow chains into every call.