$supportedLanguages['code']['description'] = gT('Language'); // Your language name in English
$supportedLanguages['code']['nativedescription'] = 'Language in native'; // The native name of your language
$supportedLanguages['code']['rtl'] = (true|false); // RTL
$supportedLanguages['code']['dateformat'] = integer; // See getDateFormatData function
$supportedLanguages['code']['radixpoint'] = (0|1); // 0 : ., 1 : , for radix point
$supportedLanguages['code']['cldr'] = 'code'; // If the related Yii language code differs you can here map your language to a new code
$supportedLanguages['code']['momentjs'] = 'code'; // Used by moment.js