The text discusses how to integrate a chat feature into a Flutter video call application using VideoSDK. It explains the benefits of adding this functionality, such as enhanced collaboration, real-time feedback, documentation, and increased engagement. The guide provides step-by-step instructions on setting up a VideoSDK account, generating an auth token, installing VideoSDK, configuring the project structure, and implementing video calling functionality. It also covers how to integrate chat capabilities using the PubSub mechanism provided by VideoSDK, including group chat and private chat features. The tutorial concludes with tips on displaying the latest message notification and downloading chat messages.