Report Designer Reference Reference information for Report Designer. Report Design Elements (The Toolbox) The Toolbox contains report object that can be placed on a report design document. Report Element Properties Each element in a report has associated properties. Values for these properties may be literal, or they may be RTL expressions. Bar Codes The report element container for a Bar Code is a Bar Code Box. This flow object draws bar codes. RTL Class Reference Reference information for Report Template Language (RTL) classes. Dimensions The dimensions for units that are used in reports. Report Writer preferences Set default preferences for the Report Writer and Report Designer.