// initialize properties
	if(isdef("Stream"))
		warning(this.name + ' - manager does not defined')
	else
		sys.set_typed_field(20, 'Stream')
	end

	// make functions for properties
	sys._prop_init('Stream', 1, 1, 0)

	// Initialize common Events
	this.add_event_type('onStreamChanged', this.codename, 'void', 'OnStreamChanged', 'bedrock.ObjectHandler', 0)