C# отправить уведомление предупреждающее сообщение администратору при обнаружении движения в камере видеонаблюдения на основе протокола ONVIF

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I am implementing Camera Management System based on ONVIF without using ozeki sdk. 
I reference that onvif link "https://github.com/AlexBrochu/CameraManager"
Now I am trying to get Notification alert message when camera detect motion(Motion Detection Event).
And I want to send that alert message to the admin's device.
I found similar question in that link "https://stackoverflow.com/questions/16563403/onvif-event-subscription-in-c-sharp"
If someone have an idea, please advise me.
Thank you

Что я уже пробовал:

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