public static CSOMOperation CreateWeb(this CSOMOperation operation, string title, int?lcid, string url = "", string template = "") { operation.LogInfo($"Creating web {title}"); url = url.IsNotNullOrEmpty() ? url : operation.NormalizeUrl(title); Web rootWeb = operation.DecideWeb(); lcid = (int)((uint?)lcid ?? operation.DecideWeb().Language); operation.LogDebug($"Web creation information set to Title: {title}, Url: {url}, Lcid: {lcid}, Template: {template}"); WebCreationInformation webInformation = new WebCreationInformation { Title = title, Url = url, WebTemplate = template, Language = lcid.Value }; var web = rootWeb.Webs.Add(webInformation); operation.LoadWebWithDefaultRetrievals(web); operation.SetLevel(OperationLevels.Web, web); operation.ActionQueue.Enqueue(new DeferredAction { ClientObject = web, Action = DeferredActions.Load }); return(operation); }