diff --git a/server/socket/webrtc.ts b/server/socket/webrtc.ts
index bfdcf13..501e10e 100644
--- a/server/socket/webrtc.ts
+++ b/server/socket/webrtc.ts
@@ -148,7 +148,7 @@ export default function (io: SocketServer, router: types.Router) {
       }
     })
 
-    socket.on('produce', async ({ transportId, kind, rtpParameters }, cb) => {
+    socket.on('produce', async ({ transportId, kind, rtpParameters, appData }, cb) => {
       if (!socket.data.joined) {
         consola.error('Peer not joined yet')
         cb({ error: 'Peer not joined yet' })
@@ -166,7 +166,7 @@ export default function (io: SocketServer, router: types.Router) {
       }
 
       try {
-        const producer = await transport.produce({ kind, rtpParameters, appData: { socketId: socket.id } })
+        const producer = await transport.produce({ kind, rtpParameters, appData: { ...appData, socketId: socket.id } })
 
         socket.data.producers.set(producer.id, producer)
 
diff --git a/server/types/webrtc.ts b/server/types/webrtc.ts
index f2cd206..e2dfd6e 100644
--- a/server/types/webrtc.ts
+++ b/server/types/webrtc.ts
@@ -55,6 +55,7 @@ export interface ClientToServerEvents {
       transportId: types.WebRtcTransport['id']
       kind: types.MediaKind
       rtpParameters: types.RtpParameters
+      appData: { source: 'share' | string }
     },
     cb: EventCallback<{ id: types.Producer['id'] }>
   ) => void