Customer does not receive notification when using Custom Events

Summary

When using a different Event in the Workflow transition, the customer won't receive the notification of this event.

Steps to Reproduce

1. Create a new Service Desk using default Workflow and Notification scheme.
2. Browse to Administration >> System >> Events and create a new Event (my test event) using create issue template as a test.
3. In the Service Desk notification scheme, add Reporter and Assignee to this Event.
4. Create a new Customer user, and report a request, the customer will receive a notification.
5. Browse to the Service Desk project Administration section >> Workflows and Edit the workflow.
6. Edit the Create Issue transition, and browse to the post function tab.
7. Edit the event listener from "Issue Created" to "My test event".
8. Publish the Draft and create a new Customer Request.

Expected Results

The customer receives the Create Issue notification.

Actual Results

The customer will not receive the Create Issue notification.