# Rich Notifications

If you want to include images and videos in your push notifications you will need to create a new target. The link of the media will be sent in the payload of the notifications in the `media_url` field. To view the media sent in the notifications follow tihs steps.\
\
1\. Create a Notification Service target

In Xcode go to File -> New Target and choose [Notification Service Extension](https://developer.apple.com/documentation/usernotifications/unnotificationserviceextension).\
\
This will create a class that will intercept all push notification sent to the app, you will be able to change its content from this class.

![Create Notification Servide Extension](/files/-ML7aY_m6s2sn1ZX0d8A)

2\. Download the media

In the notification service class use this code to download the media and attach to the push notification.

```swift
class NotificationService: UNNotificationServiceExtension {

    var contentHandler: ((UNNotificationContent) -> Void)?
    var bestAttemptContent: UNMutableNotificationContent?

    override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
        self.contentHandler = contentHandler
        bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
        
        if let bestAttemptContent = bestAttemptContent {
            if let mediaUrl = request.content.userInfo["media_url"] as? String, let fileUrl = URL(string: mediaUrl) {
                let type = request.content.userInfo["media_type"] as? String
                downloadMedia(fileUrl: fileUrl, type: type, request: request, bestAttemptContent: bestAttemptContent) {
                    contentHandler(bestAttemptContent)
                }
            } else {
                contentHandler(bestAttemptContent)
            }
        }
    }
    
    func downloadMedia(fileUrl: URL, type: String?, request: UNNotificationRequest, bestAttemptContent: UNMutableNotificationContent, completion: @escaping () -> Void) {
        let task = URLSession.shared.downloadTask(with: fileUrl) { (location, _, _) in
            if let location = location {
                let tmpDirectory = NSTemporaryDirectory()
                let tmpFile = "file://".appending(tmpDirectory).appending(fileUrl.lastPathComponent)
                let tmpUrl = URL(string: tmpFile)!
                do {
                    try FileManager.default.moveItem(at: location, to: tmpUrl)
                    
                    var options: [String: String]? = nil
                    if let type = type {
                        options = [String: String]()
                        options?[UNNotificationAttachmentOptionsTypeHintKey] = type
                    }
                    if let attachment = try? UNNotificationAttachment(identifier: "media." + fileUrl.pathExtension, url: tmpUrl, options: options) {
                        bestAttemptContent.attachments = [attachment]
                    }
                    completion()
                } catch {
                    completion()
                }
            }
        }
        task.resume()
    }

    override func serviceExtensionTimeWillExpire() {
        if let contentHandler = contentHandler, let bestAttemptContent =  bestAttemptContent {
            contentHandler(bestAttemptContent)
        }
    }
}
```


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