diff --git a/src/main/java/net/floodlightcontroller/core/IOF13Switch.java b/src/main/java/net/floodlightcontroller/core/IOF13Switch.java
index 6cb5b15..53f90f3 100644
--- a/src/main/java/net/floodlightcontroller/core/IOF13Switch.java
+++ b/src/main/java/net/floodlightcontroller/core/IOF13Switch.java
@@ -5,6 +5,8 @@
 import java.util.HashSet;
 import java.util.Set;
 
+import org.projectfloodlight.openflow.types.TableId;
+
 import net.onrc.onos.core.matchaction.MatchActionOperationEntry;
 import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.PortNumber;
@@ -131,5 +133,12 @@
     public void removePortFromGroups(PortNumber port);
 
     public void addPortToGroups(PortNumber port);
+    /**
+     * give string tableType (ip, mpls, acl)
+     * @param tableType  String equal to only one of (ip, mpls, acl)
+     * @return TableId 
+     */
+    
+    public TableId getTableId(String tableType);
 
 }