Parameters
    • [pipeline] «Array»
    • [options] «Object» passed without changes to
    Returns:
    • «ChangeStream» mongoose-specific change stream wrapper, inherits from EventEmitter

    This function does not trigger any middleware. In particular, it does not trigger aggregate middleware.

    • ‘error’: An unrecoverable error occurred. In particular, change streams currently error out if they lose connection to the replica set primary. Follow for updates.
    • ‘end’: Emitted if the underlying stream is closed
    • ‘close’: Emitted if the underlying stream is closed

    Example: