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The user must have already signed in via another method (e.g. email/password, social, etc.) and added a passkey to their account before they can use it to sign in with.You can prompt a user to add a passkey to their account using your SDK’s passkey registration method (see SDK-specific Tabs) or by directing them to the “Account & Security” section of the Dynamic Widget.

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Dashboard Configuration

Simply toggle on “Passkey” in the Log in & User Profile section of the dashboard.
React Native
  import { dynamicClient } from '<path to client file>';

  // Primary sign-in with passkey (1FA)
  await dynamicClient.auth.passkey.signIn({
    relatedOriginRpId: 'example.com', // Optional, if you want to sign in from a related origin
  });

  // Register a new passkey for the signed-in user
  await dynamicClient.passkeys.register();

  // MFA authenticate using an existing passkey
  await dynamicClient.passkeys.authenticateMFA({
    relatedOriginRpId: 'example.com', // Optional, if you want to authenticate from a related origin
  });
React Native requires platform setup for passkeys. See the React Native Passkey Setup guide.