diff --git a/types/chayns/chayns-tests.ts b/types/chayns/chayns-tests.ts
new file mode 100644
index 0000000000..8e8912430a
--- /dev/null
+++ b/types/chayns/chayns-tests.ts
@@ -0,0 +1,14 @@
+// Test file for chayns typings
+
+chayns.register({
+    strictMode: false,
+    appName: 'chayns-typings-test'
+});
+
+chayns.ready.then(data => {
+    return data;
+}).catch(err => {
+    return err;
+});
+
+chayns.dialog.alert('chayns-typings', 'Test chayns-typings!');
diff --git a/types/chayns/index.d.ts b/types/chayns/index.d.ts
new file mode 100644
index 0000000000..a1989a1c51
--- /dev/null
+++ b/types/chayns/index.d.ts
@@ -0,0 +1,938 @@
+// Type definitions for chayns 3.1
+// Project: https://github.com/TobitSoftware/chayns-js
+// Definitions by: Henning Kuehl <https://github.com/HenningKuehl>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
+
+/**
+ * Definition file for chayns v3.1
+ */
+declare namespace chayns {
+    /**
+     * Getting Started
+     * chayns
+     *
+     */
+    let ready: Promise<any>;
+
+    function register(config: RegisterConfig): void;
+
+    /**
+     * Basic Functions
+     * chayns
+     */
+    function login(parameters?: string[]): Promise<any>;
+
+    function getUser(config: GetUserConfig): Promise<User>;
+
+    function getUacGroups(siteId: number, updateCache?: boolean): Promise<UacGroup[]>;
+
+    function startInteractionIdentification(config: InteractionIdentificationConfig): Promise<any>;
+
+    function stopInteractionIdentification(): Promise<any>;
+
+    function allowRefreshScroll(): Promise<any>;
+
+    function disallowRefreshScroll(): Promise<any>;
+
+    function showTitleImage(): Promise<any>;
+
+    function hideTitleImage(): Promise<any>;
+
+    function setOnActivateCallback(callback: (tappEvent: number) => any): Promise<any>;
+
+    function setNetworkChangeCallback(callback: (result: NetworkChangeResult) => any, ongoing: boolean): Promise<any>;
+
+    function setNfcCallback(callback: (rfid: string) => any): Promise<any>;
+
+    function removeNfcCallback(): Promise<any>;
+
+    function startNfcDetection(callback: (result: NfcDetectionResult) => any, interval: number, vibrate: boolean): Promise<any>;
+
+    function stopNfcDetection(): Promise<any>;
+
+    function scanQRCode(cameryType?: number, timeout?: number): Promise<any>; // TODO interface for promise result
+
+    function createQRCode(text: string): Promise<string>;
+
+    function showFinetradingQRCode(): Promise<any>;
+
+    function selectTapp(tapp: SelectTappConfig, parameter?: string[]): Promise<any>;
+
+    function openUrl(config: OpenUrlConfig): void;
+
+    function closeUrl(): void;
+
+    function openUrlInBrowser(url: string): void;
+
+    function getGeoLocation(): Promise<GeoLocationResult>;
+
+    function getLocationBeacons(forceReload: boolean): Promise<LocationBeacon[]>;
+
+    function getBeaconHistory(subNumber?: number): Promise<BeaconHistory[]>;
+
+    function getBaseColor(color?: string, colorMode?: number): string;
+
+    function share(config: ShareConfig): Promise<any>;		// TODO interface for promise result
+
+    function getAvailableSharingServices(): Promise<number[]>;
+
+    function navigateBack(): Promise<any>;
+
+    function updateNavigation(tappId?: number, config?: UpdateNavigationConfig): Promise<any>;
+
+    function enableDisplayTimeout(): Promise<any>;
+
+    function disableDisplayTimeout(): Promise<any>;
+
+    function setSpeechToText(callback: (result: SpeechToTextResult) => any, title?: string): Promise<any>;
+
+    function createTappShortcut(name: string, imageUrl: string): Promise<any>;
+
+    function setSubTapp(config: SubTappConfig): void;
+
+    function removeSubTapp(config: RemoveSubTappConfig): void;
+
+    function vibrate(ms: number[]): Promise<any>;
+
+    function setHeight(config: SetHeightConfig): Promise<any>;
+
+    function scrollToY(position: number): Promise<any>;
+
+    function addToWallet(passbook: string): Promise<any>;		// TODO check passbock parameter
+
+    function addScrollListener(callback: (data: any) => any, throttle?: number): Promise<any>;		// TODO interface for callback data
+
+    function setScreenOrientation(orientation: number): Promise<any>;
+
+    function findSite(name: string, skip?: number, take?: number): Promise<Site[]>;
+
+    /**
+     * UI Functions
+     * Waitcursor
+     * chayns
+     */
+    function showWaitCursor(text?: string, timeout?: number): Promise<any>;
+
+    function hideWaitCursor(): Promise<any>;
+
+    /**
+     * UI Functions
+     * Floating Button
+     * chayns
+     */
+    function showFloatingButton(config: FloatingConfig, callback: () => any): void;
+
+    function hideFloatingButton(): void;
+
+    /**
+     * Media Functions
+     * Image
+     * chayns
+     */
+    function openImage(urls: string[], start?: number): Promise<any>;
+
+    function uploadImage(): Promise<string>;
+
+    /**
+     * Media Functions
+     * Miscellaneous
+     * chayns
+     */
+    function openVideo(url: string): Promise<any>;
+
+    function saveAppointment(config: SaveAppointmentConfig): Promise<any>;
+
+    function playSound(url: string, playOnMute?: boolean): Promise<any>;
+
+    function addErrorListener(logFn: (error: any) => Promise<{}>, appName: string): void;
+
+    function getGlobalData(): GlobalData;
+
+    /**
+     * chayns.smartShop
+     */
+    let smartShop: any;
+
+    /**
+     * Basic Functions
+     * chayns.intercom
+     */
+    namespace intercom {
+        function sendMessageToUser(userId: number, config: IntercomConfig): Promise<any>;		// TODO set interface for promise result
+
+        function sendMessageToGroup(groupId: number, config: IntercomConfig): Promise<any>;	// TODO set interface for promise result
+
+        function sendMessageToPage(config: IntercomConfig): Promise<any>;						// TODO set interface for promise result
+    }
+
+    /**
+     * Basic Functions
+     * chayns.passKit
+     */
+    namespace passKit {
+        function getInstalled(): Promise<any>;						// TODO interface for promise result
+
+        function isInstalled(identifier: string): Promise<any>;		// TODO interface for promise result
+    }
+
+    /**
+     * Environmental Variables
+     * chayns.env
+     */
+    namespace env {
+        let _parameters: any;
+
+        let parameters: any;
+
+        let isBrowser: boolean;
+
+        let isChaynsWeb: boolean;
+
+        let isChaynsWebDesktop: boolean;
+
+        let isChaynsWebMobile: boolean;
+
+        let isDesktop: boolean;
+
+        let isMobile: boolean;
+
+        let isApp: boolean;
+
+        let isIOS: boolean;
+
+        let isAndroid: boolean;
+
+        let isTablet: boolean;
+
+        let isWP: boolean;
+
+        let appVersion: number;
+
+        let os: string;
+
+        let apiVersion: number;
+
+        let debugMode: boolean;
+
+        let isChaynsParent: boolean;
+
+        let isChaynsWebLight: boolean;
+
+        let isInFacebookFrame: boolean;
+
+        let isInFrame: boolean;
+
+        let isWidget: boolean;
+
+        let language: string;
+
+        /**
+         * Environmental Variables
+         * chayns.env.user
+         */
+        namespace user {
+            let tobitAccessToken: string;
+
+            let facebookAccessToken: string;
+
+            let facebookId: string;
+
+            let id: number;
+
+            let name: string;
+
+            let personId: string;
+
+            let isAuthenticated: boolean;
+
+            let language: string;
+
+            let groups: UserGroup[];
+        }
+
+        /**
+         * Environmental Variables
+         * chayns.env.site
+         */
+        namespace site {
+            let color: string;
+
+            let colorMode: number;
+
+            let colorScheme: number;
+
+            let domain: string;
+
+            let facebookAppId: string;
+
+            let facebookPageId: string;
+
+            let id: string;
+
+            let isAdEnabled: boolean;
+
+            let isArEnabled: boolean;
+
+            let language: string;
+
+            let locationId: number;
+
+            let locationPersonId: string;
+
+            let tapps: SiteTapp[];
+
+            let title: string;
+
+            let url: string;
+
+            let version: string;
+
+            /**
+             * Environmental Variables
+             * chayns.env.site.tapp
+             */
+            namespace tapp {
+                let customUrl: string;
+
+                let id: number;
+
+                let internalName: string;
+
+                let isExclusiveView: boolean;
+
+                let isKioskMode: boolean;
+
+                let isSubTapp: boolean;
+
+                let showName: string;
+
+                let sortId: number;
+
+                let userGroupIds: number[];
+            }
+        }
+
+        /**
+         * Environmental Variables
+         * chayns.env.app
+         */
+        namespace app {
+            let flavor: string;
+
+            let languageId: string;
+
+            let model: string;
+
+            let name: string;
+
+            let uid: string;
+
+            let version: string;
+        }
+
+        /**
+         * Environmental Variables
+         * chayns.env.device
+         */
+        namespace device {
+            let fontScale: any;
+
+            let imei: string;
+
+            let languageId: string;
+
+            let model: string;
+
+            let systemName: string;
+
+            let systemVersion: number;
+
+            let uid: string;
+        }
+
+        /**
+         * Environmental Variables
+         * chayns.env.browser
+         */
+        namespace browser {
+            let name: string;
+
+            let version: string;
+        }
+    }
+
+    /**
+     * UI Functions
+     * chayns.dialog
+     */
+    namespace dialog {
+        enum buttonType {
+            CANCEL = -1,
+            NEGATIVE = 0,
+            POSITIVE = 1
+        }
+
+        enum buttonText {
+            CANCEL = 'Abbrechen',
+            NO = 'Nein',
+            OK = 'OK',
+            YES = 'Ja'
+        }
+
+        enum dateType {
+            DATE,
+            TIME,
+            DATE_TIME
+        }
+
+        enum inputType {
+            DEFAULT = 0,
+            PASSWORD = 1
+        }
+
+        function alert(title: string, message?: string): Promise<buttonType>;
+
+        function confirm(title: string, message?: string, buttons?: DialogButton[]): Promise<buttonType>;
+
+        function date(config: DialogDateConfig): Promise<DialogDateResult>;
+
+        function select(config: DialogSelectConfig): Promise<DialogSelectResult>;
+
+        function input(config: DialogInputConfig): Promise<DialogInputResult>;
+
+        function facebook(options: DialogFacebookOptions): Promise<DialogFacebookResult>;
+    }
+
+    /**
+     * chayns.ui
+     */
+    namespace ui {
+        /**
+         * UI Functions
+         * chayns.ui.modeSwitch
+         */
+        namespace modeSwitch {
+            function init(config: ModeSwitchConfig): void;
+
+            function addItem(item: ModeSwitchItem, index?: number): void;
+
+            function changeMode(item: number | ModeSwitchItem): void;
+
+            function remove(): void;
+
+            function add(): void;
+        }
+
+        /**
+         * Media Functions
+         * chayns.ui.gallery
+         */
+        namespace gallery {
+            function create(id: string, urls: string[]): void;
+
+            function setUrls(id: string, urls: string[]): void;
+
+            function getUrls(id: string): string[];
+
+            function addUrl(id: string, url: string): void;
+
+            function removeUrl(id: string, url: string): void;
+        }
+
+        /**
+         * chayns.ui.tooltip
+         */
+        namespace tooltip {
+            function init(config: UiTooltipInitConfig, rootElement: any): Promise<boolean>;
+        }
+
+        /**
+         * chayns.ui.slider
+         */
+        namespace slider {
+            function refreshTrack(): void;
+        }
+    }
+
+    /**
+     * Utility Functions
+     * chayns.utils
+     */
+    namespace utils {
+        /**
+         * Utility Functions
+         * Check Types
+         * chayns.utils
+         */
+        function isHex(parameter: any, shorthand: boolean): boolean;
+
+        function isArray(parameter: any): boolean;
+
+        function isBLEAdress(parameter: any): boolean;
+
+        function isBlank(parameter: any): boolean;
+
+        function isDate(parameter: any): boolean;
+
+        function isDefined(parameter: any): boolean;
+
+        function isFormData(parameter: any): boolean;
+
+        function isFunction(parameter: any): boolean;
+
+        function isGUID(parameter: any): boolean;
+
+        function isMacAdress(parameter: any): boolean;
+
+        function isNumber(parameter: any): boolean;
+
+        function isObject(parameter: any): boolean;
+
+        function isPromise(parameter: any): boolean;
+
+        function isString(parameter: any): boolean;
+
+        function isUUID(parameter: any): boolean;
+
+        function isUndefined(parameter: any): boolean;
+
+        function isDeferred(parameter: any): boolean;
+
+        function isJwt(parameter: any): boolean;
+
+        function isUrl(parameter: any): boolean;
+
+        /**
+         * Utility Functions
+         * Miscellaneous
+         * chayns.utils
+         */
+        function getJwtPayload(token: string): JwtPaylod;
+
+        function mod(number: number, modulo: number): number;
+
+        function trim(test: string): string;
+
+        function replacePlaceholder(text: string, parameters: any[]): string; // TODO set interface for parameters
+
+        function mixColor(color1: string, color2: string, saturation: number): string;
+
+        function isPresent(parameter: any): boolean;
+
+        function setLevel(level: number): void;
+
+        /**
+         * Utility Functions
+         * Local Storage
+         * chayns.utils.ls
+         */
+        namespace ls {
+            function set(key: string, value: string): void;
+
+            function get(key: string): string;
+
+            function remove(key: string): void;
+
+            function removeAll(): void;
+        }
+
+        namespace lang {
+            function init(config: any): void;
+
+            function renderTextStrings(): void;
+
+            function get(textString: string): string;
+
+            function translateDomStrings(): void;
+        }
+    }
+
+    /**
+     * chayns.storage
+     */
+    namespace storage {
+        enum accessMode {
+            PUBLIC,
+            PROTECTED,
+            PRIVATE
+        }
+
+        function set(key: string, value: any, accessMode?: accessMode, tappIds?: number[]): Promise<any>;
+
+        function get(key: string, accessMode?: accessMode): any;
+
+        function remove(key: string, accessMode?: accessMode): Promise<any>;
+    }
+}
+
+/**
+ * Getting Started
+ * chayns
+ * interfaces
+ */
+// chayns.register()
+interface RegisterConfig {
+    strictMode?: boolean;
+    appName?: string;
+    cssPrefix?: string;
+    callbackPrefix?: string;
+    initialHeight?: number;
+    autoResize?: boolean;
+}
+
+/**
+ * Basic Functions
+ * chayns
+ * interfaces
+ */
+// chayns.getUser()
+interface GetUserConfig {
+    accessToken?: string;
+    userId?: number;
+    fbId?: string;
+    personId?: string;
+}
+
+interface User {
+    FacebookID: string;
+    FirstName: string;
+    LastName: string;
+    PersonID: string;
+    UserFullName: string;
+    UserID: number;
+}
+
+// chayns.getUacGroups()
+interface UacGroup {
+    id: number;
+    name: string;
+    showName: string;
+}
+
+// chayns.startInteractionIdentification()
+interface InteractionIdentificationConfig {
+    duration: number;
+    delay?: number;
+    callback: any;
+    resetOnInteraction?: boolean;
+    foregroundColor: string;
+    backgroundColor?: string;
+}
+
+// chayns.setNetworkChangeCallback()
+interface NetworkChangeResult {
+    isConnected: boolean;
+    type: number;
+}
+
+// chayns.startNfcDetection()
+interface NfcDetectionResult {
+    connected: boolean;
+    rfid: string;
+}
+
+// chayns.selectTapp()
+interface SelectTappConfig {
+    id?: number;
+    internalName?: string;
+    showName?: string;
+    position?: number;
+}
+
+// chayns.openUrl()
+interface OpenUrlConfig {
+    url: string;
+    title?: string;
+    exclusiveView?: boolean;
+    darkenBackground?: boolean;
+    fullSize?: boolean;
+    width?: number;
+}
+
+// chayns.getGeoLocation()
+interface GeoLocationResult {
+    longitude: number;
+    latitude: number;
+}
+
+// chayns.getLocationBeacons()
+interface LocationBeacon {
+    id: number;
+    pushMessage: string;
+    latitude: number;
+    longitude: number;
+}
+
+// chayns.getBeaconHistory()
+interface BeaconHistory {
+    id: number;
+    timestamp: number;
+}
+
+// chayns.share()
+interface ShareConfig {
+    title?: string;
+    text: string;
+    imageUrl?: string;
+    sharingApp: number;
+    sharingAndroidApp?: string;
+}
+
+// chayns.updateNavigation()
+interface UpdateNavigationConfig {
+    stateOnly?: boolean;
+    updateTapp?: boolean;
+}
+
+// chayns.setSpeecToText()
+interface SpeechToTextResult {
+    languageCode: string;
+    text: string[];
+}
+
+// chayns.setSubTapp()
+interface SubTappConfig {
+    tappID: number;
+    name: string;
+    color: string;
+    colorText?: string;
+    sortID: number;
+    icon: string;
+    callbackURL?(result: any): any;
+    url: string;
+    buttonName: string;
+    isExclusiveView?: boolean;
+    replaceParent?: boolean;
+    boldText?: boolean;
+}
+
+// chayns.removeSubTapp()
+interface RemoveSubTappConfig {
+    tappID: number;
+    close: boolean;
+    remove: boolean;
+}
+
+// chayns.setHeight()
+interface SetHeightConfig {
+    height: number;
+    growOnly?: boolean;
+    full?: boolean;
+    fullViewport?: boolean;
+}
+
+// chayns.findSite()
+interface Site {
+    appstoreName: string;
+    facebookId: string;
+    siteId: string;
+    locationId: number;
+}
+
+/**
+ * Basic Functions
+ * chayns.intercom
+ * interfaces
+ */
+interface IntercomConfig {
+    text: string;
+}
+
+/**
+ * UI Functions
+ * chayns.dialog
+ * interfaces
+ */
+// chayns.dialog.confirm()
+interface DialogButton {
+    text: string;
+    buttonType: chayns.dialog.buttonType;
+}
+
+// chayns.dialog.date()
+interface DialogDateConfig {
+    dateType: chayns.dialog.dateType;
+    preSelect?: Date;
+    minDate?: Date;
+    maxDate?: Date;
+}
+
+interface DialogDateResult {
+    timestamp: number;
+    buttonType: chayns.dialog.buttonType;
+}
+
+// chayns.dialog.select()
+interface DialogSelectConfig {
+    title: string;
+    message?: string;
+    quickfind?: boolean;
+    multiselect?: boolean;
+    buttons?: any[];		// TODO interface for buttons
+    list: DialogSelectConfigItem[];
+}
+
+interface DialogSelectConfigItem {
+    name: string;
+    value?: string;
+    image?: string;
+    isSelected?: boolean;
+}
+
+interface DialogSelectResult {
+    buttonType: chayns.dialog.buttonType;
+    selection: DialogSelectResultItem[];
+}
+
+interface DialogSelectResultItem {
+    name: string;
+    value?: string;
+}
+
+// chayns.dialog.input()
+interface DialogInputConfig {
+    title: string;
+    message?: string;
+    placeholderText?: string;
+    text?: string;
+    buttons?: DialogButton[];
+}
+
+interface DialogInputResult {
+    buttonType: chayns.dialog.buttonType;
+    text: string;
+}
+
+/**
+ * UI Functions
+ * chayns.ui.modeswitch
+ * interfaces
+ */
+// chayns.ui.modeswitch.init()
+interface ModeSwitchConfig {
+    items: ModeSwitchItem[];
+    callback(result: ModeSwitchItem): void;
+    headline?: string;
+    preventclose?: boolean;
+}
+
+interface ModeSwitchItem {
+    name: string;
+    value: number;
+    default?: boolean;
+}
+
+/**
+ * UI Functions
+ * Floating Button
+ * chayns
+ * interfaces
+ */
+// chayns.showFloatingButton()
+interface FloatingConfig {
+    text?: string;
+    color?: string;
+    colorText?: string;
+    icon?: string;
+}
+
+/**
+ * Media Functions
+ * Miscellaneous
+ * chayns
+ * interfaces
+ */
+// chayns.saveAppointment()
+interface SaveAppointmentConfig {
+    name: string;
+    location: string;
+    description: string;
+    start: Date;
+    end: Date;
+}
+
+/**
+ * Utility Functions
+ * Miscellaneous
+ * chayns.utils
+ * interfaces
+ */
+// chayns.utils.getJwtPayload()
+interface JwtPaylod {
+    FacebookUserID: string;
+    FirstName: string;
+    LastName: string;
+    PersonID: string;
+    LocationID: number;
+    TobitUserID: number;
+    LoginType: number;
+    isAdmin: boolean;
+}
+
+/**
+ * Enviroment Variables
+ * User
+ * interfaces
+ */
+// chayns.env.user.groups
+interface UserGroup {
+    id: number;
+    isActive?: boolean;
+    isSystemGroup?: boolean;
+    name: string;
+    showName?: string;
+}
+
+/**
+ * Enviroment Variables
+ * Site
+ * interfaces
+ */
+interface SiteTapp {
+    customUrl: string;
+    id: number;
+    internalName: string;
+    isExclusiveView: boolean;
+    isKioskMode: boolean;
+    isSubTapp: boolean;
+    showName: string;
+    sortId: number;
+    userGroupIds: number[];
+}
+
+interface GlobalData {
+    _result: any;
+}
+
+interface DialogFacebookOptions {
+    title: string;
+    message?: string;
+    quickfind?: number;
+    multiselect?: number;
+    button?: DialogFacebookButton[];
+    preSelected: number[]; // TODO:  Verify type
+}
+
+interface DialogFacebookButton {
+    text: string;
+    value: number; // TODO:  Verify type
+}
+
+interface DialogFacebookResult {
+    buttonType: number;
+    selection: DialogFacebookResultSelection[];
+}
+
+interface DialogFacebookResultSelection {
+    first_name: string;
+    last_name: string;
+    id: string;
+    gender: string;
+    name: string;
+}
+
+interface UiTooltipInitConfig {
+    tooltipClass: string;
+    preventAnimation: boolean;
+}
diff --git a/types/chayns/tsconfig.json b/types/chayns/tsconfig.json
new file mode 100644
index 0000000000..99d0599998
--- /dev/null
+++ b/types/chayns/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "chayns-tests.ts"
+    ]
+}
diff --git a/types/chayns/tslint.json b/types/chayns/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/chayns/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }