Create a Custom Channel for Real-Time Event Monitoring Events Using the API

Let’s walk through the steps to create a channel and add two Real-Time Event Monitoring events via channel members.

Create a Custom Channel and Add Real-Time Event Monitoring Events with Tooling API

Create a channel for Real-Time Event Monitoring events named Event_Monitoring_Channel__chn by using the eventType field in PlatformEventChannel. Also, add two Real-Time Event Monitoring events as members: ApiAnomalyEvent and FileEvent.
Metadata API Example: Create a Custom Channel and Add Real-Time Event Monitoring Events

You can use Metadata API to create a channel and channel member. We recommend using Metadata API as part of the application lifecycle management process to develop, test, deploy, and release your apps to production. If you want to only configure the channel, we recommend using Tooling API with REST.