---
title: Validating Event Notification Service and CPS API functionality
slug: cps-guide/mdm-epmm/validating-event-notification-service-and-cps-api-functionality
createdAt: 2026-10-06T07:45:20.432Z
---

To validate Event Notification Service functionality, see the section, [Sample client snippet for message subscriber](docId\:lIsXka-G3FAHROpokg5ac) for how to write a script that verifies that you can subscribe to events.

To validate that you can use the CPS API, run the call described in the section, [Getting event subscription metadata](docId\:x-Lkf3ZWeDdWAEBvdRQYv).