diff --git a/internal/pkg/common/interfaces.go b/internal/pkg/common/interfaces.go
index 39b37ba..4c4878a 100755
--- a/internal/pkg/common/interfaces.go
+++ b/internal/pkg/common/interfaces.go
@@ -117,6 +117,8 @@
 	GetDeletionInProgress() bool
 
 	SendOMCIRequest(context.Context, string, *ia.OmciMessage) error
+	SendOnuSwSectionsOfWindow(context.Context, string, *ia.OmciMessages) error
+
 	CreatePortInCore(context.Context, *voltha.Port) error
 
 	PerOnuFlowHandlerRoutine(uniID uint8)