diff --git a/netmap/types.proto b/netmap/types.proto
index 2180869..055e838 100644
--- a/netmap/types.proto
+++ b/netmap/types.proto
@@ -36,6 +36,9 @@ enum Operation {
 
   // Logical negation
   NOT = 9;
+
+  // Matches pattern
+  LIKE = 10;
 }
 
 // Selector modifier shows how the node set will be formed. By default selector