Requests credential creation options from your user pool for registration of a passkey authenticator. Returns information about the user pool, the user profile, and authentication requirements. Users must provide this information in their request to enroll your application with their passkey provider.
See https://www.paws-r-sdk.com/docs/cognitoidentityprovider_start_web_authn_registration/ for full documentation.
cognitoidentityprovider_start_web_authn_registration(AccessToken)[required] A valid access token that Amazon Cognito issued to the user whose passkey metadata you want to generate.