diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/events/CustomEntityAttributeDefinitionChangeEvent.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/events/CustomEntityAttributeDefinitionChangeEvent.java
new file mode 100644
index 000000000..f0495f615
--- /dev/null
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/events/CustomEntityAttributeDefinitionChangeEvent.java
@@ -0,0 +1,15 @@
+package edu.internet2.tier.shibboleth.admin.ui.service.events;
+
+import org.springframework.context.ApplicationEvent;
+
+/**
+ * The event could be any operation (new, update, delete).
+ */
+public class CustomEntityAttributeDefinitionChangeEvent extends ApplicationEvent {
+    private static final long serialVersionUID = 1L;
+
+    public CustomEntityAttributeDefinitionChangeEvent(Object source) {
+        super(source);
+    }
+
+}