diff --git a/model/model.go b/model/model.go
index 7d7a83d..cfb3689 100644
--- a/model/model.go
+++ b/model/model.go
@@ -129,6 +129,7 @@ type Answer struct {
 	Browser    string
 	IP         string
 	OS         string
+	Start      bool
 }
 
 type ResultContent struct {
@@ -145,6 +146,7 @@ type ResultContent struct {
 	Whatsup   string            `json:"whatsup"`
 	Messenger string            `json:"messenger"`
 	Custom    map[string]string `json:"customs"`
+	Start     bool              `json:"start"`
 }
 
 type ResultAnswer struct {