Streaming API Developer Guide

Getting Started with Streaming API
Code Examples
Example: Subscribe to and Replay Events Using a Java Client (EMP Connector)
Example: Subscribe to and Replay Events Using a Lightning Component
Example: Subscribe to and Replay Events Using a Visualforce Page
Example: Interactive Visualforce Page without Replay
Prerequisites
Step 1: Create an Object
Step 2: Create a PushTopic
Step 3: Create the Static Resources
Step 4: Create a Visualforce Page
Step 5: Test the PushTopic Channel
Example: Authentication
Client Connection Considerations
PushTopic Events (Legacy)
Generic Events (Legacy)
Monitoring Event Usage
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Step 4: Create a Visualforce Page

Create a Visualforce page to display the channel notifications.
  1. From Setup, enter Visualforce Pages in the Quick Find box, then select Visualforce Pages.
  2. Click New.
  3. In the Label field, enter the name of the page StreamingAPIDemo.
  4. Replace the code in the page with the code from the StreamingApiDemo file that you downloaded.
  5. Click Save to save the page.