/// <summary>
 /// Deprecated Method for adding a new object to the LetterHtmlTemplates EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToLetterHtmlTemplates(LetterHtmlTemplate letterHtmlTemplate)
 {
     base.AddObject("LetterHtmlTemplates", letterHtmlTemplate);
 }
 /// <summary>
 /// Create a new LetterHtmlTemplate object.
 /// </summary>
 /// <param name="guid">Initial value of the Guid property.</param>
 /// <param name="siteGuid">Initial value of the SiteGuid property.</param>
 /// <param name="title">Initial value of the Title property.</param>
 /// <param name="html">Initial value of the Html property.</param>
 /// <param name="lastModUTC">Initial value of the LastModUTC property.</param>
 public static LetterHtmlTemplate CreateLetterHtmlTemplate(global::System.Guid guid, global::System.Guid siteGuid, global::System.String title, global::System.String html, global::System.DateTime lastModUTC)
 {
     LetterHtmlTemplate letterHtmlTemplate = new LetterHtmlTemplate();
     letterHtmlTemplate.Guid = guid;
     letterHtmlTemplate.SiteGuid = siteGuid;
     letterHtmlTemplate.Title = title;
     letterHtmlTemplate.Html = html;
     letterHtmlTemplate.LastModUTC = lastModUTC;
     return letterHtmlTemplate;
 }