> ## 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.

# PlayFabMultiplayerManager.Get().SendDataMessage

> Reference for PlayFabMultiplayerManager.SendDataMessage in the Party Unity SDK, which sends a binary data message to a specific list of remote Party players.

# SendDataMessage

## SendDataMessage(buffer, recipients, deliveryOption);

Sends a data message to the specified players. This is a more advanced overload for sending data messages, allowing the developer more control over how the message is sent.

## Syntax

```csharp theme={null}
public void PlayFabMultiplayerManager.Get().SendDataMessage(byte[] buffer, IEnumerable<PlayFabPlayer> recipients, DeliveryOption deliveryOption);
```

### Parameters

### Parameters

**buffer** IntPtr

A pointer to the buffer containing the data to send.

**recipients** IEnumerable\<PlayFabPlayer>

The players to send the data message to. If the collection of players is empty, the data message will be broadcast to all players.

**deliveryOption** DeliveryOption

Options specifying how to deliver the message.

### Return value

None.

## SendDataMessage(buffer, bufferSize, recipients, deliveryOption);

Sends a data message to the specified players using the specified delivery options. The most advanced method for sending data messages, allowing the developer more control over how the message is sent.

### Syntax

```csharp theme={null}
public void PlayFabMultiplayerManager.Get().SendDataMessage(byte[] buffer, IEnumerable<PlayFabPlayer> recipients, DeliveryOption deliveryOption);
```

### Parameters

**buffer** IntPtr

A pointer to the buffer containing the data to send.

**bufferSize** uint

The size of the buffer.

**recipients** IEnumerable\<PlayFabPlayer>

The players to send the data message to. If the collection of players is empty, the data message will be broadcast to all players.

**deliveryOption** DeliveryOption

Options specifying how to deliver the message.

## Sample

```csharp theme={null}
...
byte[] buffer = Encoding.ASCII.GetBytes("Hello");
IntPtr unmanagedPointer = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, unmanagedPointer, buffer.Length);
PlayFabMultiplayerManager.Get().SendDataMessage(unmanagedPointer, (uint)buffer.Length, remotePlayers, DeliveryOption.Guaranteed);
Marshal.FreeHGlobal(unmanagedPointer);
...
```

## Return value

None.


## Related topics

- [PlayFabMultiplayerManager.Get().SendDataMessageToAllPlayers](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/methods/playfabunitysenddatamessagetoallplayers.md)
- [PlayFabMultiplayerManager.Get().ResetParty](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/methods/playfabunityresetparty.md)
- [PlayFabMultiplayerManager.Get().SendChatMessage](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/methods/partyunitysendchatmessage.md)
- [PlayFabMultiplayerManager.Get().SendChatMessageToAllPlayers](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/methods/partyunitysendchatmessagetoallplayers.md)
- [PlayFabMultiplayerManager.Get().CreateAndJoinNetwork](/services/playfab/multiplayer/networking/unity-party-api-reference/classes/playfabmultiplayermanager/methods/playfabunitycreateandjoinnetwork.md)