diff --git a/core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java b/core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java
index 6661cb6..8ccc531 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java
@@ -18,6 +18,7 @@
 import java.util.Set;
 
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.DefaultTrafficSelector.Builder;
 import org.onosproject.net.flow.criteria.Criterion;
 import org.onlab.packet.IpPrefix;
 import org.onlab.packet.Ip6Address;
@@ -301,6 +302,14 @@
         Builder matchMplsLabel(MplsLabel mplsLabel);
 
         /**
+         * Matches on a MPLS Bottom-of-Stack indicator bit.
+         *
+         * @param mplsBos boolean value indicating BOS=1 (true) or BOS=0 (false).
+         * @return a selection builder
+         */
+        Builder matchMplsBos(boolean mplsBos);
+
+        /**
          * Matches a tunnel id.
          *
          * @param tunnelId a tunnel id