def description=(description)
      desc = REXML::XPath.first(@xml, 'ScanTemplate/templateDescription')
      if desc
        desc.text = replace_entities(description)
      else
        root = REXML::XPath.first(xml, 'ScanTemplate')
        desc = REXML::Element.new('templateDescription')
        desc.add_text(description)
        root.add_element(desc)
      end
    end
def description=(description)
      desc = REXML::XPath.first(@xml, 'ScanTemplate/templateDescription')
      if desc
        desc.text = replace_entities(description)
      else
        root = REXML::XPath.first(xml, 'ScanTemplate')
        desc = REXML::Element.new('templateDescription')
        desc.add_text(description)
        root.add_element(desc)
      end
    end
Assign a description to this scan template. Require attribute.
 @param [String] description Description of the scan template.