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We are trying to support Passkey Management in our app with the latest iOS 17 Passkey Autofill. During this process, we have a few doubts and queries: First, we have configured the AutoFill extension for external passkey management Next we used the 'prepareInterface(forPasskeyRegistration:' delegate for passkey generation We are facing an issue on creating the attestationObject for ‘ASPasskeyRegistrationCredential’. Here, we’re not sure if we need to create the attestationObject [if so any documentation or help regarding this] or is there any API to get the attestationObject which we are missing. override func prepareInterface(forPasskeyRegistration registrationRequest: ASCredentialRequest) { let request = registrationRequest as! ASPasskeyCredentialRequest let passkeyRegistration = ASPasskeyRegistrationCredential(relyingParty: request.credentialIdentity.serviceIdentifier.identifier, clientDataHash: request.clientDataHash, credentialID: Data(UUID().uuidString.utf8), attestationObject: "????") extensionContext.completeRegistrationRequest(using: passkeyRegistration) } Even we have tried passing the hardcoded attestationObject[we used the existing attestationObject received using icloud keychain] , still we got empty ‘ClientDataJSON’ on ‘authorizationController(controller:’ delegate.