diff --git a/packages/domain-events/src/Domain/Event/PaymentSuccessEventPayload.ts b/packages/domain-events/src/Domain/Event/PaymentSuccessEventPayload.ts
index 87f5a6ae3..b781f9fb3 100644
--- a/packages/domain-events/src/Domain/Event/PaymentSuccessEventPayload.ts
+++ b/packages/domain-events/src/Domain/Event/PaymentSuccessEventPayload.ts
@@ -1,3 +1,4 @@
 export interface PaymentSuccessEventPayload {
   userEmail: string
+  amount: number
 }