How can I change the expression

Absolutely, you can change the begin and end expression char by changing the property Settings.BeginEndExpressionChar of your dynamic template object. In your case the code should be like below: TemplateEngine dt = new TemplateEngine(); dt.Settings.BeginEndExpressionChar = "@"; ...

hi ComponentPro, I have been using the UltimateTemplate for our email system, but I would want to change the way to declare a variable in my template. My worked template is like "... $subscriber.FullName$..." and now I want to change it to "...|subscriber.FullName|...". I wonder it is possible or not?