Arbitrary user data that you can use when sending messages using ISteamNetworkingUtils::AllocateMessage and ISteamNetworkingSockets::SendMessage. (The callback you set in m_pfnFreeData might use this field.)
Not used for received messages.
See Implementation
Arbitrary user data that you can use when sending messages using ISteamNetworkingUtils::AllocateMessage and ISteamNetworkingSockets::SendMessage. (The callback you set in m_pfnFreeData might use this field.)
Not used for received messages.