How to receive Notification only for Specific Category of Post

Ionic Framework ionic-v3
1

Hi,

Help me How to receive Notification only for Specific Category of Post.

Suppose there is a 5 Category of posts and user have selected only 2 categories of post to read and he only wants notification for selected category

How this can be done in Ionic2

Thanks

2

Sending push notifications is a server side thing, so:
Only send the user a notification if the category is in the list of categories the user wants to receive a push for.