diff --git a/mocks/mockEventproxy.go b/mocks/mockEventproxy.go
index be3049a..86479df 100644
--- a/mocks/mockEventproxy.go
+++ b/mocks/mockEventproxy.go
@@ -35,3 +35,12 @@
 	}
 	return nil
 }
+
+// SendKpiEvent mocks the SendKpiEvent function
+func (me *MockEventProxy) SendKpiEvent(id string, deviceEvent *voltha.KpiEvent2, category voltha.EventCategory_EventCategory,
+	subCategory voltha.EventSubCategory_EventSubCategory, raisedTs int64) error {
+	if raisedTs == 0 {
+		return errors.New("raisedTS cannot be zero")
+	}
+	return nil
+}