Commit

app/Model/helpdesk/Agent/Department.php

@@ -13,4 +13,9 @@ class Department extends BaseModel
         'template_set', 'auto_ticket_response', 'auto_message_response',
         'auto_response_email', 'recipient', 'group_access', 'department_sign',
     ];
+
+        public function users()
+    {
+        return $this->hasMany(User::class, 'dept_id', 'id');
+    }
 }