diff --git a/api/src/main/java/org/opencord/bng/BngStatsEvent.java b/api/src/main/java/org/opencord/bng/BngStatsEvent.java
new file mode 100644
index 0000000..2622b41
--- /dev/null
+++ b/api/src/main/java/org/opencord/bng/BngStatsEvent.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opencord.bng;
+
+import org.onosproject.event.AbstractEvent;
+
+/**
+ * Represents an event related to attachment-level statistics.
+ */
+public final class BngStatsEvent extends
+        AbstractEvent<BngStatsEvent.EventType, BngStatsEventSubject> {
+
+    /**
+     * Creates an attachment-level statistics event.
+     *
+     * @param type    Event type
+     * @param subject Event subject
+     */
+    public BngStatsEvent(EventType type, BngStatsEventSubject subject) {
+        super(type, subject);
+    }
+
+    /**
+     * Type of the event.
+     */
+    public enum EventType {
+        /**
+         * Signals that the statistics has been updated.
+         */
+        STATS_UPDATED
+    }
+}