Recently I am working on a project and it has a requirement to embed rich notification. So I am taking service from firebase. Initially I have tried from these sites. and there are some hobby projects in youtube where they send notification from local machine.
https://www.avanderlee.com/ios-10/rich-notifications-ios-10/
UNNotificationAttachment with UIImage or Remote URL
How to implement rich notifications in ios 10 with Firebase
How to send Image with firebase Push Notification using swift 3
But almost 16 hours I spent on it. It gave me 0 output because Title,sub-title came from firebase finely but there is no sign of image icon.
Please suggest me any approach or good video or something.
Your App target's plist should contain following lines
And Your extension's plist should look like following