How to

Virtual events need chat to keep users engaged, but it's often a challenge to build a chat solution that works at scale and can handle the network load surges that occur during popular events. As a developer, you need to select a robust backend API provider capable of transmitting and receiving the high volume of messages that your viewers and participants generate.

Follow this how-to to enable Persistence in the Admin Portal to persist all messages as they're published.

If your team is developing a cross-platform application you have a number of options to choose from but whichever approach you take, from web-only to cross-platform frameworks, PubNub can easily incorporate chat into your app.

Read our complete guide to build a chat app using HTML, CSS, Vue, and JS. Read this and our other information building interactive chat apps.

Follow this how-to on creating keys in the Admin Portal to connect your application to the PubNub network.

Follow this how-to on enabling Files in the Admin Portal to upload and share files.

Follow this how-to on enabling Objects in the Admin Portal to to store metadata for users, channels, and memberships without the need of setting up your own database.

Learn how to develop an IoT solution with PubNub, allowing you to monitor and control a global fleet of IoT devices in real-time

Read our complete guide on how to filter Events using the Advanced JSONPath Filter in Events & Actions. In this guide, you’ll learn the different filter options available to you in E&A, what is JSONPath, and how to format complex JSONPath Filter Expressions to filter for the Events you need.