diff --git a/subject/config.go b/subject/config.go
index c838f87..97ce6be 100644
--- a/subject/config.go
+++ b/subject/config.go
@@ -14,6 +14,7 @@ var prefixes = struct {
 	SupplierUser       string
 	SupplierRole       string
 	SupplierPermission string
+	Withdraw           string
 }{
 	Communication:      "communication",
 	Order:              "order",
@@ -28,4 +29,5 @@ var prefixes = struct {
 	SupplierUser:       "supplier_user",
 	SupplierRole:       "supplier_role",
 	SupplierPermission: "supplier_permission",
+	Withdraw:           "withdraw",
 }