Options only for querying user UGC
public static bool SetCloudFileNameFilter(UGCQueryHandle_t handle, string pMatchCloudFileName) { InteropHelp.TestIfAvailableGameServer(); using (var pMatchCloudFileName2 = new InteropHelp.UTF8StringHandle(pMatchCloudFileName)) { return NativeMethods.ISteamGameServerUGC_SetCloudFileNameFilter(handle, pMatchCloudFileName2); } }