How to

How to Build Chat for Virtual Events
Virtual Events

How to Build Chat for Virtual Events

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.
Enabling Persistence
PubNub portal

Enabling Persistence

Follow this how-to to enable Persistence in the Admin Portal to persist all messages as they're published.
How to Create a Real-Time Delivery Application
Real-Time

How to Create a Real-Time Delivery Application

For any delivery solution, the end user experience will depend on providing real-time updates on vehicle location, delivery time and delivery status
How to Build a Real-Time Counter of Active Users
Real-Time

How to Build a Real-Time Counter of Active Users

This how-to will explain how to add a real-time counter of active users to any application, what to consider while building this type of feature, and how PubNub can make it easy.
Creating Keys
PubNub portal

Creating Keys

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

Enabling Files

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

Enabling Objects

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.
How to Explore Real-time Geolocation Solutions
Geolocation

How to Explore Real-time Geolocation Solutions

This how-to will explain real-time geolocation services for developers, what to consider while building geolocation features, and how PubNub can make it easy to stream and use real-time location data.
Events & Actions: How to Filter Messages Using JSONPath
PubNub portal

Events & Actions: How to Filter Messages Using JSONPath

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.