void* pInternal = *reinterpret_cast<void**>((uintptr_t)SteamFriends() + 0x8);
void** pVTable = *reinterpret_cast<void***>(pInternal);
typedef void(__fastcall* tSetPersonaName)(void* thisptr, const char* name);
tSetPersonaName SetPersonaName = (tSetPersonaName)pVTable[1];
SetPersonaName(pInternal, Name);