diff --git a/model/model.go b/model/model.go
index 2dbd8bf..6341522 100644
--- a/model/model.go
+++ b/model/model.go
@@ -29,6 +29,8 @@ const (
 	TypeResult    = "result"
 )
 
+const QuizGigaChatPrivilegeLimitUsage = 30
+
 // Quiz is a struct for set up an quiz settings
 type Quiz struct {
 	Id        uint64 `json:"id"`