using System.Runtime.InteropServices; namespace Steamworks; [StructLayout(LayoutKind.Sequential, Pack = 8)] [CallbackIdentity(506)] public struct LobbyChatUpdate_t { public const int k_iCallback = 506; public ulong m_ulSteamIDLobby; public ulong m_ulSteamIDUserChanged; public ulong m_ulSteamIDMakingChange; public uint m_rgfChatMemberStateChange; }