NotificationHandler

```
public interface NotificationHandler

                    
```
Handler responsible for showing and dismissing notification. Implement this interface and use ChatClient.Builder.notifications if you want to customize default behavior

Method Summary

Modifier and Type	Method	Description
`Boolean`	`onChatEvent(NewMessageEvent event)`	Handles showing notification after receiving NewMessageEvent from other users.
`Boolean`	`onPushMessage(PushMessage message)`	Handles showing notification after receiving PushMessage.
`abstract Unit`	`showNotification(Channel channel, Message message)`	Show a notification for the given channel and message
`abstract Unit`	`dismissChannelNotifications(String channelType, String channelId)`	Dismiss notifications from a given channelType and channelId.
`abstract Unit`	`dismissAllNotifications()`	Dismiss all notifications.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onChatEvent
```
 Boolean onChatEvent(NewMessageEvent event)
```
    Handles showing notification after receiving NewMessageEvent from other users. Default implementation loads necessary data and displays notification even if app is in foreground.
  - onPushMessage
```
 Boolean onPushMessage(PushMessage message)
```
    Handles showing notification after receiving PushMessage. Default implementation loads necessary data from the server and shows notification if application is not in foreground.
  - showNotification
```
 abstract Unit showNotification(Channel channel, Message message)
```
    Show a notification for the given channel and message
    
    Parameters:
    
    channel - where the new message was posted
    
    message - was received
  - dismissChannelNotifications
```
 abstract Unit dismissChannelNotifications(String channelType, String channelId)
```
    Dismiss notifications from a given channelType and channelId.
    
    Parameters:
    
    channelType - String that represent the channel type of the channel you want to dismiss notifications.
    
    channelId - String that represent the channel id of the channel you want to dismiss notifications.
  - dismissAllNotifications
```
 abstract Unit dismissAllNotifications()
```
    Dismiss all notifications.