The PublicKeyCredentialCreationOptions dictionary represents the object passed to CredentialsContainer.create() as the value of the publicKey option: that is, when using create() to create a public key credential using the Web Authentication API.| developer.mozilla.org
The Web Authentication API (WebAuthn) is an extension of the Credential Management API that enables strong authentication with public key cryptography, enabling passwordless authentication and secure multi-factor authentication (MFA) without SMS texts.| developer.mozilla.org