diff --git a/struct.go b/struct.go
index c4e5ddc..417e5c9 100644
--- a/struct.go
+++ b/struct.go
@@ -36,6 +36,7 @@ type DeleteDataPayload struct {
 // ESQuery
 // Query support to search document
 type ESQuery struct {
+	IsMatch               bool   // Search with match or prefix
 	Index                 string // Index
 	Page                  int64
 	Limit                 int64