// Optional arguments


Starts passwordless flow by sending an email or an SMS to the user with a single-use auth code.


  • With an email

  • With a phone number

import IdentitySdkCore

  .startPasswordless(.Email(email: "", redirectUri: "reachfive-${clientId}://callback"))
  .onSuccess{ _ in
      // Do something
  .onFailure { error in
      // Return a ReachFive error
import IdentitySdkCore

  .startPasswordless(.PhoneNumber(phoneNumber: "+33792244940", redirectUri: "reachfive-${clientId}://callback"))
  .onSuccess{ _ in
      // Do something
  .onFailure { error in
      // Return a ReachFive error


Parameter Description

email string

The email address of the profile.

phoneNumber string

The phone number of the profile.

Both the international format and the national conventions of the account’s country are accepted if configured in account settings.

redirectUri string

The URL where the user will be redirected after the passwordless success. Default value is reachfive-${clientId}://callback.


Type: Future<(), ReachFiveError>

The profile will receive an email or an SMS. If the parameters are invalid, the promise will be rejected and will return a ReachFiveError.


Based on the problem, the ReachFiveError will be:

  • RequestError(requestErrors: RequestErrors) if it’s a bad request error.

    error string

    The main error message.

    errorId string

    The identifier of the error.

    errorUserMsg string

    The user-friendly error message.

    This property is translated according to the user’s browser settings. Currently supported languages:
    Currently supported languages
    • ar - العربية Arabic

    • de - Deutsch German

    • en - English

    • es - Español Spanish

    • fr - Français French

    • hu - Magyar Hungarian

    • it - Italiano Italian

    • jp - 日本 Japanese

    • ko - 한국인 Korean

    • nl - Nederlands Dutch

    • pt - Portuguese

    • ru - Ру́сский Russian

    • sk - Slovenský Slovak

    • zh-CN - People’s Republic of China Simplified Chinese

    • zh-Hans - Simplified Chinese

    • zh-Hant - Traditional Chinese

    • zh-HK - Hong Kong Traditional Chinese

    • zh-MO - Macao Traditional Chinese

    • zh-SG - Singapore Simplified Chinese

    • zh-TW - Taiwan Traditional Chinese

    errorMessageKey string

    The error message key.

    errorDescription string

    The technical error message.

    errorDetails FieldError[]

    field string

    The field concerned by the error.

    message string

    The message error returned for the field.

    code string

    The code error returned for the field.

    • AuthFailure(reason: String) if the authentication has failed.

    • AuthCanceled if the authentication was cancelled.

    • TechnicalError(reason: String) if it’s an internal server error.