1 files changed, 13 insertions, 1 deletions
diff --git a/packages/taler-util/src/notifications.ts b/packages/taler-util/src/notifications.ts
index 0d85c85e9..ff1017cd1 100644
--- a/packages/taler-util/src/notifications.ts
+++ b/packages/taler-util/src/notifications.ts
@@ -22,6 +22,7 @@
 /**
  * Imports.
  */
+import { TransactionState, TransactionSubstate } from "./transactions-types.js";
 import { TalerErrorDetail } from "./wallet-types.js";
 
 export enum NotificationType {
@@ -67,6 +68,16 @@ export enum NotificationType {
   WithdrawalGroupReserveReady = "withdrawal-group-reserve-ready",
   PeerPullCreditReady = "peer-pull-credit-ready",
   DepositOperationError = "deposit-operation-error",
+  TransactionStateTransition = "transaction-state-transition",
+}
+
+export interface TransactionStateTransitionNotification {
+  type: NotificationType.TransactionStateTransition;
+  transactionId: string;
+  oldTxState: TransactionState;
+  oldTxSubstate: TransactionSubstate;
+  newTxState: TransactionState;
+  newTxSubstate: TransactionSubstate;
 }
 
 export interface ProposalAcceptedNotification {
@@ -327,4 +338,5 @@ export type WalletNotification =
   | KycRequestedNotification
   | WithdrawalGroupBankConfirmed
   | WithdrawalGroupReserveReadyNotification
-  | PeerPullCreditReadyNotification;
+  | PeerPullCreditReadyNotification
+  | TransactionStateTransitionNotification;