question

I want that the player can change his PlayFab profile language. In this example, I want to change the player's profile language to English, but I get an error message:

var languageTask = PlayFabClientAPI.SetProfileLanguageAsync(request);

'PlayFabClientAPI' does not contain a definition for 'SetProfileLanguageAsync'

How can I change the player's profile language?

        private void SetProfileLanguage()
        {
            var request = new SetProfileLanguageRequest { Language = "EN" };
            var languageTask = PlayFabClientAPI.SetProfileLanguageAsync(request);
            languageTask.ContinueWith(OnSetProfileLanguageComplete);
        }


        private void OnSetProfileLanguageComplete(Task<PlayFabResult<SetProfileLanguageResponse>> task)
        {
            var newLabel = "Unknown failure";
            if (task.Result.Result != null)
            {
                newLabel = "Changed language to EN";
            }
            if (task.Result.Error != null)
            {
                newLabel = "Something went wrong.\n"
                    + "Here's some debug information:\n"
                    + task.Result.Error.GenerateErrorReport();
            }
            lock (_myLabelText)
            {
                _myLabelText = newLabel;
            }
        }