diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
index 1cfff0c..3668ba2 100644
--- a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
@@ -134,4 +134,13 @@
      * @return current contents of the destinationSetNextObjectiveStore
      */
     ImmutableMap<DestinationSetNextObjectiveStoreKey, NextNeighbors> getDestinationSet();
+
+    /**
+     * Triggers the verification of all ECMP groups in the specified device.
+     * Adjusts the group buckets if verification finds that there are more or less
+     * buckets than what should be there.
+     *
+     * @param id the device identifier
+     */
+    void verifyGroups(DeviceId id);
 }