example.json

    // To go in config.json
    "_languagePicker": {
        "_isEnabled": true,
        "title": "Language selection",
        "displayTitle": "Please select a language",
        "body": "This course is available in the following languages:",
        "_showOnCourseLoad": true,
        "_comment": "default class names are: icon-globe, icon-language-1, icon-language-2",
        "_languagePickerIconClass": "icon-language-2",
        "_restoreStateOnLanguageChange": false,
        "_languages": [
            {
                "_language": "en",
                "_direction": "ltr",
                "displayName": "English",
                "warningTitle": "Change language?",
                "warningMessage": "Changing the language will reset course progress.<br><br>Would you like to proceed?",
                "_buttons": {
                    "yes": "Yes",
                    "no": "No"
                }
            },
            {
                "_language": "de",
                "_direction": "ltr",
                "displayName": "Deutsch",
                "warningTitle": "Sprache ändern?",
                "warningMessage": "Ändern der Sprache wird den Fortschritt des Kurses zurücksetzen.<br><br>Möchte Sie fortfahren?",
                "_buttons": {
                    "yes": "Ja",
                    "no": "Nein"
                }
            },
            {
                "_language": "fr",
                "_direction": "ltr",
                "_isDisabled": true,
                "displayName": "Français (bientôt disponible)",
                "warningTitle": "Modifier la langue?",
                "warningMessage": "La modification de la langue va réinitialiser la progression du cours.<br><br>Souhaitez-vous continuer?",
                "_buttons": {
                    "yes": "Oui",
                    "no": "Non"
                }
            }
        ]
    }

    // to be added to the _extensions object in course.json
    "_languagePicker": {
        "languageSelector": "Language selector",
        "_navOrder": 0,
        "_navTooltip": {
            "_isEnabled": true,
            "text": "Language selector"
        },
        "_showLabel": true,
        "navigationBarLabel" : "Select course language",
        "_drawerPosition": "auto"
    }