// Create face authenticator instance and connect to the device on COM9    
RealSenseID::FaceAuthenticator auth {&sig_clbk};
auto connect_status = authenticator.Connect({RealSenseID::SerialType::USB, "COM9"});
// RealSenseID::SerialType::UART can be used in case UART I/F is required
      
// Enroll a user
const char* user_id = "John";
my_enroll_clbk enroll_clbk;
auto enroll_status = authenticator.Enroll(enroll_clbk, user_id);    

// Authenticate a user
my_auth_clbk auth_clbk;
auto auth_status = authenticator.Authenticate(auth_clbk);    
    
// Remove the user from device
bool success = authenticator.RemoveUser(user_id);

// Disconnect from the device
authenticator.Disconnect();
C++