diff --git a/struct.go b/struct.go
index 417e5c9..c0b3c9f 100644
--- a/struct.go
+++ b/struct.go
@@ -92,6 +92,7 @@ type ESQuery struct {
 	MembershipLevel       int
 	Invitee               string
 	Segments              []string
+	IsOrderMerchant       bool
 }
 
 // ESSort