In order to configure the PagerDuty EventBridge integration, you will need to know your AWS Account identifier.
Instructions on how to find your Account Identifier are here.
In PagerDuty, go to the Integrations menu and click Extensions.
Then click on the blue button “+ New Extension”
A new blank row will appear. Click on the first cell entitled “Select an extension”. Begin typing “Amazon EventBridge”. Then choose it.
On the popup, click the blue button “Open Amazon EventBridge Page”.
You may need to click the “Add Service” button at the top.
A new, blank form will appear for the new integration. Enter the data as below.
Click the button “Create” to complete the configuration.
The next step will be to set up AWS to do something with the event that is passed to EventBridge.