This feature allows you to create Topics your users can subscribe to, in order for you to send Push Notifications only to those who have subscribed to a specific topic. Please note that this feature is currently only available for those who have installed the Android and Apple iOS app versions from the respective app stores. * This function is not yet available for PWA applications. Below are all of the key sections within this tutorial for the Topics feature. If you are looking to find a specific section of this tutorial, click the relevant link below to be taken to that section of the tutorial.