```Java public static OnInAppListener NULL = new OnInAppListener() { // This method is called after an in-app message is loaded and Synerise SDK asks for permission to show it. @Override public boolean shouldShow(InAppMessageData inAppMessageData) { return true; } // This method is called after an in-app message appears. @Override public void onShown(InAppMessageData inAppMessageData) { //... } // This method is called after an in-app message disappears. @Override public void onDismissed(InAppMessageData inAppMessageData) { //... } // This method is called when a individual context for an in-app message is needed. @Override public HashMap onContextFromAppRequired(InAppMessageData inAppMessageData) { return new HashMap<>(); } // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. @Override public void onHandledOpenUrl(InAppMessageData inAppMessageData) { //... } // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. @Override public void onHandledOpenDeepLink(InAppMessageData inAppMessageData) { //... } // This method is called when the // SRInApp.handleCustomAction(name, params) method is used in an in-app message. @Override public void onCustomAction(String identifier, HashMap params, InAppMessageData inAppMessageData) { //... } }; ```

```Kotlin var inAppCallbacks: OnInAppListener = object : OnInAppListener() { // This method is called after an in-app message is loaded and Synerise SDK asks for permission to show it. override fun shouldShow(inAppMessageData: InAppMessageData): Boolean { return true } // This method is called after an in-app message appears. override fun onShown(inAppMessageData: InAppMessageData) { //... } // This method is called after an in-app message disappears. override fun onDismissed(inAppMessageData: InAppMessageData) { //... } // This method is called when a individual context for an in-app message is needed. override fun onContextFromAppRequired(inAppMessageData: InAppMessageData): HashMap { return HashMap() } // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. override fun onHandledOpenUrl(inAppMessageData: InAppMessageData) { //... } // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. override fun onHandledOpenDeepLink(inAppMessageData: InAppMessageData) { //... } // This method is called when the // SRInApp.handleCustomAction(name, params) method is used in an in-app message. override fun onCustomAction(identifier: String?, params: HashMap?, inAppMessageData: InAppMessageData?) { //... } } ```

```Swift // MARK: - InjectorInAppMessageDelegate // This method is called after an in-app message is loaded and Synerise SDK asks for permission to show it. func snr_shouldInAppMessageAppear(data: InAppMessageData) -> Bool { return true } // This method is called after an in-app message appears. func snr_inAppMessageDidAppear(data: InAppMessageData) { //... } // This method is called after an in-app message disappears. func snr_inAppMessageDidDisappear(data: InAppMessageData) { //... } // This method is called when an in-app message changes size. func snr_inAppMessageDidChangeSize(rect: CGRect) { //... } // This method is called when a individual context for an in-app message is needed. func snr_inAppMessageContextIsNeeded(data: InAppMessageData) -> [AnyHashable: Any]? { return [] } // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. func snr_inAppMessageHandledAction(data: InAppMessageData, url: URL) { //... } // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. func snr_inAppMessageHandledAction(data: InAppMessageData, deeplink: String) { //... } // This method is called when the // SRInApp.handleCustomAction(name, params) method is used in an in-app message. func snr_inAppMessageHandledCustomAction(data: InAppMessageData, name: String, parameters: [AnyHashable: Any]) { //... } ```

```Objective-C #pragma mark - SNRInjectorInAppMessageDelegate // This method is called after an in-app message is loaded and Synerise SDK asks for permission to show it. - (BOOL)SNR_shouldInAppMessageAppear:(SNRInAppMessageData *)data { //... } // This method is called after an in-app message appears. - (void)SNR_inAppMessageDidAppear:(SNRInAppMessageData *)data { //... } // This method is called after an in-app message disappears. - (void)SNR_inAppMessageDidDisappear:(SNRInAppMessageData *)data { //... } // This method is called when an in-app message changes size. - (void)SNR_inAppMessageDidChangeSize:(CGRect)rect { //... } // This method is called when a individual context for an in-app message is needed. - (nullable NSDictionary *)SNR_inAppMessageContextIsNeeded:(SNRInAppMessageData *)data { //... } // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. - (void)SNR_inAppMessageHandledURLAction:(SNRInAppMessageData *)data url:(NSURL *)url { //... } // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. - (void)SNR_inAppMessageHandledDeeplinkAction:(SNRInAppMessageData *)data deeplink:(NSString *)deeplink { //... } // This method is called when the // SRInApp.handleCustomAction(name, params) method is used in an in-app message. - (void)SNR_inAppMessageHandledCustomAction:(SNRInAppMessageData *)data name:(NSString *)name parameters:(NSDictionary *)parameters { //... } ```

```JavaScript Synerise.onReady(function() { Synerise.Injector.setInAppMessageListener({ // This method is called after an in-app message is loaded and Synerise SDK asks for permission to show it. shouldPresent: function(data) { return true; }, // This method is called after an in-app message appears. onPresent: function(data) { //... }, // This method is called after an in-app message disappears. onHide: function(data) { //... }, // This method is called when a individual context for an in-app message is needed. contextIsNeeded: function(data) { return {} }, // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. onOpenUrl: function(data, url) { //... }, // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. onDeepLink: function(data, deepLink) { //... }, // This method is called when Synerise handles custom action from in-app messages. onCustomAction: function(data, name, parameters) { //... } }); }) ```

```Dart Synerise.injector.inAppMessageListener((listener) { // This method is called after an in-app message appears. listener.onPresent = (data) { //... }; // This method is called after an in-app message disappears. listener.onHide = (data) { //... }; // This method is called when the SRInApp.openUrl(url) method is used in an in-app message. listener.onOpenUrl = (data, url) { //... }; // This method is called when the SRInApp.openDeeplink(url) method is used in an in-app message. listener.onDeepLink = (data, deepLink) { //... }; // This method is called when Synerise handles custom action from in-app messages. listener.onCustomAction(data, name, parameters) { //... }; }); ```