diff --git a/api/models/notification_v1_alpha.go b/api/models/notification_v1_alpha.go
index aca191a..0771e98 100644
--- a/api/models/notification_v1_alpha.go
+++ b/api/models/notification_v1_alpha.go
@@ -40,8 +40,9 @@ type NotificationV1AlphaSpecRuleNotify struct {
 	Webhook struct {
 		Endpoint  string   `json:"endpoint,omitempty" yaml:"endpoint,omitempty"`
 		Timeout   int32    `json:"timeout,omitempty" yaml:"timeout,omitempty"`
-		Action    string    `json:"action,omitempty" yaml:"action,omitempty"`
+		Action    string   `json:"action,omitempty" yaml:"action,omitempty"`
 		Retries   int32    `json:"retries,omitempty" yaml:"retries,omitempty"`
+		Secret    string   `json:"secret,omitempty" yaml:"secret,omitempty"`
 	} `json:"webhook,omitempty" yaml:"webhook,omitempty"`
 }