I want to create a page programmatically with the Sitefinity API, i know which code to write, but i don't know which file to create or to edit to insert this code, please help me, this is the code that i want to insert, thanks in advance:
Telerik.Cms.CmsManager cmsManager = new Telerik.Cms.CmsManager();
Telerik.Cms.ICmsPage newPage = cmsManager.CreatePage("About us");
cmsManager.SavePage(newPage);