Static AVCaptureSessionDidStartRunningNotification 

pub unsafe static AVCaptureSessionDidStartRunningNotification: &'static NSNotificationName

Available on crate feature AVCaptureSession only.

Posted when an instance of AVCaptureSession successfully starts running.

Clients may observe the AVCaptureSessionDidStartRunningNotification to know when an instance of AVCaptureSession starts running.

See also Apple’s documentation