public static void Init() {
        int sdkappid = 0; // IM 콘솔에서 SDKAppID 가져오기.
        SdkConfig sdkConfig = new SdkConfig();

        sdkConfig.sdk_config_config_file_path = Application.persistentDataPath + "/TIM-Config";

        sdkConfig.sdk_config_log_file_path = Application.persistentDataPath + "/TIM-Log";

        TIMResult res = TencentIMSDK.Init(long.Parse(sdkappid), sdkConfig);
}

// SDK 초기화 취소
TencentIMSDK.Uninit();