Platform Events Developer Guide

Platform Events Developer Guide
Delivering Custom Notifications with Platform Events
Defining Your Custom Platform Event
Publishing Platform Events
Subscribing to Platform Events
Testing Your Platform Event in Apex
Encrypting Platform Event Messages at Rest in the Event Bus
Monitor Platform Event Publishing and Delivery Usage
Considerations
Examples
End-to-End Example Using Flows
Java Client Examples
Java Client Example Using the Command Line
Java Client Example Using an IDE
Prerequisites
Define a Custom Platform Event
Download and Build the Project
Subscribe to a Channel and Receive Event Notifications
Java Client Example Using Pub/Sub API
Platform Event Samples
Reference
PDF

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Define a Custom Platform Event

Before you subscribe to a custom platform event, define the Low Ink platform event and its fields.

User Permissions Needed
To create and edit platform event definitions: Customize Application
  1. From Setup, enter Platform Events in the Quick Find box, then select Platform Events.
  2. On the Platform Events page, click New Platform Event.
  3. Complete the standard fields, and optionally add a description.
  4. For Event Type, select High Volume.
  5. Click Save.
  6. To add a field, in the Custom Fields & Relationships related list, click New.
  7. Create these fields by using the custom field wizard for each field.
    Field Type Field Label
    Text Printer Model
    Text Serial Number
    Number (length: 16; decimal places: 2) Ink Percentage