Administration > Backend Pages API
Hi Nathalia,
You can try the following code sample which might help you to achieve your desired scenario:
PageManager pManager = PageManager.GetManager();pManager.Provider.SuppressSecurityChecks = true;var page = pManager.GetPageNodes().Where(pN => pN.Title == "News" && pN.IsBackend == true).FirstOrDefault();page.Page.HeadTagContent += "<script type=\"text/javascript\" src=\"myJavascriptFile.js\"></script>";pManager.SaveChanges();pManager.Provider.SuppressSecurityChecks = false;