Function handler

templates/socketio-server-example/src/client/App.tsx:63–66

(message: any)

		onReceiveMessage: (callback) => {
			// Listen for tldraw sync protocol messages
			const handler = (message: any) => {
				console.log('📥 Received:', message)
				callback(message)
			}

			ioSocket.on('tldraw-message', handler)