diff --git a/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestCompletedEto.cs b/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestCompletedEto.cs
new file mode 100644
index 0000000..c537f1b
--- /dev/null
+++ b/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestCompletedEto.cs
@@ -0,0 +1,13 @@
+using System;
+using Volo.Abp.Data;
+using Volo.Abp.Domain.Entities.Events.Distributed;
+
+namespace Payment.PaymentRequests
+{
+    [Serializable]
+    public class PaymentRequestCompletedEto : EtoBase, IHasExtraProperties
+    {
+        public Guid PaymentRequestId { get; set; }
+        public ExtraPropertyDictionary ExtraProperties { get; set; }
+    }
+}
diff --git a/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestFailedEto.cs b/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestFailedEto.cs
new file mode 100644
index 0000000..370cc28
--- /dev/null
+++ b/modules/payment/src/Payment.Domain.Shared/PaymentRequests/PaymentRequestFailedEto.cs
@@ -0,0 +1,16 @@
+using System;
+using Volo.Abp.Data;
+using Volo.Abp.Domain.Entities.Events.Distributed;
+
+namespace Payment.PaymentRequests
+{
+    [Serializable]
+    public class PaymentRequestFailedEto : EtoBase, IHasExtraProperties
+    {
+        public Guid PaymentRequestId { get; set; }
+
+        public string FailReason { get; set; }
+
+        public ExtraPropertyDictionary ExtraProperties { get; set; }
+    }
+}
diff --git a/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs b/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
index f90eff5..086639b 100644
--- a/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
+++ b/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using JetBrains.Annotations;
 using Volo.Abp;
 using Volo.Abp.Domain.Entities.Auditing;
@@ -49,14 +50,37 @@ namespace Payment.PaymentRequests
 
         public virtual void SetAsCompleted()
         {
+            if (State == PaymentRequestState.Completed)
+            {
+                return;
+            }
+
             State = PaymentRequestState.Completed;
             FailReason = null;
+
+            AddDistributedEvent(new PaymentRequestCompletedEto
+            {
+                PaymentRequestId = Id,
+                ExtraProperties = ExtraProperties
+            });
         }
 
         public virtual void SetAsFailed(string failReason)
         {
+            if (State != PaymentRequestState.Failed)
+            {
+                return;
+            }
+
             State = PaymentRequestState.Failed;
             FailReason = failReason;
+
+            AddDistributedEvent(new PaymentRequestFailedEto
+            {
+                PaymentRequestId = Id,
+                FailReason = failReason,
+                ExtraProperties = ExtraProperties
+            });
         }
     }
 }
\ No newline at end of file