diff --git a/netmap/types.go b/netmap/types.go
index dd5db68..43e0e80 100644
--- a/netmap/types.go
+++ b/netmap/types.go
@@ -111,8 +111,11 @@ const (
 	OR
 	AND
 	NOT
+	LIKE
 )
 
+const LikeWildcard = "*"
+
 const (
 	UnspecifiedClause Clause = iota
 	Same