diff --git a/packages/base-types/src/node/utils/event.ts b/packages/base-types/src/node/utils/event.ts
index d797db804..d8a44d50c 100644
--- a/packages/base-types/src/node/utils/event.ts
+++ b/packages/base-types/src/node/utils/event.ts
@@ -5,6 +5,7 @@ import type { SlotMappings } from './mappings';
 // BUILT IN EVENTS
 export enum EventType {
   INTENT = 'intent',
+  EVENT = 'event',
   ALEXA = 'alexa',
 }
 
@@ -22,6 +23,11 @@ export interface IntentEvent extends BaseEvent, SlotMappings {
   intent: string;
 }
 
+export interface EventEvent extends BaseEvent {
+  type: EventType.EVENT;
+  event: string;
+}
+
 export interface AlexaEvent extends BaseEvent {
   type: EventType.ALEXA;
   intent: string;