MainViewModel.cs

 public class MainViewModel 
{
    public ICommand TriggerCommand { get; }

    public ICommand VideoActionCommand { get; set; }

    public MainViewModel()
    {
       ... 
       TriggerCommand = new Command<VideoTrigger>(OnTrigger);;
    }

    private void OnTrigger(VideoTrigger videoTrigger)
    {
        if (_videoPlayerStateMachine.CanFire(videoTrigger))
        {
            VideoActionCommand?.Execute(videoTrigger);

            _videoPlayerStateMachine.Fire(videoTrigger);
        }
    }
}