diff --git a/rehlds/engine/sv_main.cpp b/rehlds/engine/sv_main.cpp
index 7d13556..4276185 100644
--- a/rehlds/engine/sv_main.cpp
+++ b/rehlds/engine/sv_main.cpp
@@ -3713,6 +3713,8 @@ void SV_FullClientUpdate(client_t *cl, sizebuf_t *sb)
 	info[sizeof(info) - 1] = 0;
 	Info_RemovePrefixedKeys(info, '_');
 
+	g_RehldsHookchains.m_PrepareUserInfoToTransmit.callChain(nullptr, GetRehldsApiClient(cl), info);
+
 	MD5Init(&ctx);
 	MD5Update(&ctx, (unsigned char*)cl->hashedcdkey, sizeof(cl->hashedcdkey));
 	MD5Final(digest, &ctx);
diff --git a/rehlds/public/rehlds/rehlds_api.h b/rehlds/public/rehlds/rehlds_api.h
index 57e5c43..cf5d67b 100644
--- a/rehlds/public/rehlds/rehlds_api.h
+++ b/rehlds/public/rehlds/rehlds_api.h
@@ -35,7 +35,7 @@
 #include "model.h"
 
 #define REHLDS_API_VERSION_MAJOR 1
-#define REHLDS_API_VERSION_MINOR 3
+#define REHLDS_API_VERSION_MINOR 4
 
 //Steam_NotifyClientConnect hook
 typedef IHookChain<qboolean, IGameClient*, const void*, unsigned int> IRehldsHook_Steam_NotifyClientConnect;
@@ -137,6 +137,10 @@ typedef IVoidHookChainRegistry<edict_t *> IRehldsHookRegistry_PF_Remove_I;
 typedef IVoidHookChain<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> IRehldsHook_PF_BuildSoundMsg_I;
 typedef IVoidHookChainRegistry<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> IRehldsHookRegistry_PF_BuildSoundMsg_I;
 
+// PrepareUserInfoToTransmit hook
+typedef IVoidHookChain<IGameClient *, char *> IRehldsHook_PrepareUserInfoToTransmit;
+typedef IVoidHookChainRegistry<IGameClient *, char *> IRehldsHookRegistry_PrepareUserInfoToTransmit;
+
 class IRehldsHookchains {
 public:
 	virtual ~IRehldsHookchains() { }
@@ -166,6 +170,7 @@ public:
 	virtual IRehldsHookRegistry_SV_StartSound* SV_StartSound() = 0;
 	virtual IRehldsHookRegistry_PF_Remove_I* PF_Remove_I() = 0;
 	virtual IRehldsHookRegistry_PF_BuildSoundMsg_I* PF_BuildSoundMsg_I() = 0;
+	virtual IRehldsHookRegistry_PrepareUserInfoToTransmit* PrepareUserInfoToTransmit() = 0;
 };
 
 struct RehldsFuncs_t {
diff --git a/rehlds/rehlds/rehlds_api_impl.cpp b/rehlds/rehlds/rehlds_api_impl.cpp
index 7b56673..c0b2000 100644
--- a/rehlds/rehlds/rehlds_api_impl.cpp
+++ b/rehlds/rehlds/rehlds_api_impl.cpp
@@ -249,6 +249,10 @@ IRehldsHookRegistry_PF_BuildSoundMsg_I* CRehldsHookchains::PF_BuildSoundMsg_I()
 	return &m_PF_BuildSoundMsg_I;
 }
 
+IRehldsHookRegistry_PrepareUserInfoToTransmit* CRehldsHookchains::PrepareUserInfoToTransmit() {
+	return &m_PrepareUserInfoToTransmit;
+}
+
 int EXT_FUNC CRehldsApi::GetMajorVersion()
 {
 	return REHLDS_API_VERSION_MAJOR;
diff --git a/rehlds/rehlds/rehlds_api_impl.h b/rehlds/rehlds/rehlds_api_impl.h
index fdfdc9b..101c668 100644
--- a/rehlds/rehlds/rehlds_api_impl.h
+++ b/rehlds/rehlds/rehlds_api_impl.h
@@ -131,6 +131,10 @@ typedef IVoidHookChainRegistryImpl<edict_t *> CRehldsHookRegistry_PF_Remove_I;
 typedef IVoidHookChainImpl<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> CRehldsHook_PF_BuildSoundMsg_I;
 typedef IVoidHookChainRegistryImpl<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> CRehldsHookRegistry_PF_BuildSoundMsg_I;
 
+// PrepareUserInfoToTransmit hook
+typedef IVoidHookChainImpl<IGameClient *, char *> CRehldsHook_PrepareUserInfoToTransmit;
+typedef IVoidHookChainRegistryImpl<IGameClient *, char *> CRehldsHookRegistry_PrepareUserInfoToTransmit;
+
 class CRehldsHookchains : public IRehldsHookchains {
 public:
 	CRehldsHookRegistry_Steam_NotifyClientConnect m_Steam_NotifyClientConnect;
@@ -158,6 +162,7 @@ public:
 	CRehldsHookRegistry_SV_StartSound m_SV_StartSound;
 	CRehldsHookRegistry_PF_Remove_I m_PF_Remove_I;
 	CRehldsHookRegistry_PF_BuildSoundMsg_I m_PF_BuildSoundMsg_I;
+	CRehldsHookRegistry_PrepareUserInfoToTransmit m_PrepareUserInfoToTransmit;
 
 public:
 	virtual IRehldsHookRegistry_Steam_NotifyClientConnect* Steam_NotifyClientConnect();
@@ -185,6 +190,7 @@ public:
 	virtual IRehldsHookRegistry_SV_StartSound* SV_StartSound();
 	virtual IRehldsHookRegistry_PF_Remove_I* PF_Remove_I();
 	virtual IRehldsHookRegistry_PF_BuildSoundMsg_I* PF_BuildSoundMsg_I();
+	virtual IRehldsHookRegistry_PrepareUserInfoToTransmit* PrepareUserInfoToTransmit();
 };
 
 extern CRehldsHookchains g_RehldsHookchains;