//Returns a text value in the current language for the key
string myKey = LanguageManager.Instance.GetTextValue("MYKEY");

//Gets the audio clip for the current language
AudioClip myClip = LanguageManager.Instance.GetAudioClip("MYKEY"); 

//Gets the prefab game object for the current language
GameObject myPrefab = LanguageManager.Instance.GetPrefab("MYKEY");

//Gets the texture for the current language
Texture myTexture = LanguageManager.Instance.GetTexture("MYKEY");

//(Pro feature)Gets a localized TextAsset
TextAsset myTextAsset = LanguageManager.Instance.GetTextAsset("MYKEY");

//To cache the LanguageManager in a variable
LanguageManager languageManager = LanguageManager.Instance;

//Get a list of all the available languages
List<SmartCultureInfo> availableLanguages = thisLanguageManager.GetSupportedLanguages();

Get the smart culture info of the system language if it is supported. otherwise it will return null
SmartCultureInfo systemLanguage = thisLanguageManager.GetSupportedSystemLanguage();

//Check if a language is supported with an ISO-639 language code (string = "en" "sv" "es" etc.)
LanguageManager.Instance.IsLanguageSupported("en");

//Check if a language is supported with an instance of SmartCultureInfo
SmartCultureInfo swedishCulture = new SmartCultureInfo("sv", "Swedish", "Svenska", false);
LanguageManager.Instance.IsLanguageSupported(swedishCulture);

//Change a language with an ISO-639 language code ("en" "sv" "es" etc., Make sure the language is supported)
LanguageManager.Instance.ChangeLanguage("en");

//Change the language with a SmartCultureInfo instance
SmartCultureInfo swedishCulture = new SmartCultureInfo("sv", "Swedish", "Svenska", false);
LanguageManager.Instance.ChangeLanguage(swedishCulture);

//How to register on the event that fires when a language changed
LanguageManager.Instance.OnChangeLanguage += OnLanguageChanged; //OnLanguageChanged = delegate method that you created

//Enable extensive debug logging
LanguageManager.Instance.VerboseLogging = true;

//Check if a localized key exists
LanguageManager.Instance.HasKey("myKey")