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In this tutorial, we’ll learn how to add a React Native Chat into any mobile app with only a few lines of code. The IMChatScreen component only needs a channel as its input, wrapping two user IDs, and it will enable the fully functional React Native chat feature when presented on the screen. You only need two users in order to trigger the chat functionality properly. The chat will also store the blocked users in Firebase Firestore (a database), regardless of your existing backend (AWS, MySQL, REST API, GraphQL)