Function RegistrationSetUsername

RegistrationSetUsername(
    input: RegistrationSetUsernameInput,
): Effect<
    {
        regContext: string
        | null;
        regInfo: { screen_visited: string[]; username_prefill: string };
        registrationFlowId: string;
        waterfallId: string;
    },
    IgApiError
    | RequestError
    | ParseError
    | TransportError,
    MobileDevice | GraphqlJsonHttp | MobileApplication,
>
Step 7: Set username.

Calls username.async.
Parameters
- input: RegistrationSetUsernameInput
Returns Effect<
    {
        regContext: string
        | null;
        regInfo: { screen_visited: string[]; username_prefill: string };
        registrationFlowId: string;
        waterfallId: string;
    },
    IgApiError
    | RequestError
    | ParseError
    | TransportError,
    MobileDevice | GraphqlJsonHttp | MobileApplication,
>