> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# OnDataMessageNoCopyReceived

> Reference for the OnDataMessageNoCopyReceived event on PlayFabMultiplayerManager in the Party Unity SDK, raised for zero-copy incoming data messages.

Occurs when a data message is received.

## Arguments

### sender (object)

The class that raised the event.

### from (PlayFabPlayer)

The player who sent the message.

### buffer (IntPtr)

The data contents of the message.


## Related topics

- [Class PlayFabMultiplayerManager](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/index.md)
- [OnDataMessageReceived](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/events/partyunityondatamessagereceived.md)
- [PartyMessageReceivedOptions](/services/playfab/multiplayer/networking/reference/enums/partymessagereceivedoptions.md)
- [PartyLocalEndpoint::SendMessage](/services/playfab/multiplayer/networking/reference/classes/PartyLocalEndpoint/methods/partylocalendpoint_sendmessage.md)
- [PartyDataBuffersReturnedStateChange](/services/playfab/multiplayer/networking/reference/structs/partydatabuffersreturnedstatechange.md)