APPS: Themes
This feature allows you to create topics to which your users can subscribe to, so you can send automatic Push notifications and messages in the application only to those users who have subscribed to a topic.
In addition to this feature
To add this function to your app go to the "FEATURE" step and click on the icon "Topics":
Once added you must name this new app section:
Settings
By adding this functionality we will have a description window in which it only asks us to place a descriptive text.
Then in theTopics we must use the button."+" to add a new topic.
Users could select some topics in the application and receive Push Notifications that have that subject added.