All PlugIn Objects should have numeric versions of all calculated data stored in the Parameter Record so it can easily be accessed in a worksheet.   Working with a Property Line object and found that the 'Property Line'.'Area' field is defined as a text field and includes both the numeric data and the textual units (i.e. Sq. Ft.). There is not numeric only version of this field in the Parameter Record. In this case in a database row of a worksheet the worksheet formula of =Area can be