Create PO Output Names from PrintDefinition.name Substring?

Create PO Output Names from PrintDefinition.name Substring?https://communities.bentley.com/products/microstation/microstation_printing/f/printing-and-plotting-forum/146858/create-po-output-names-from-printdefinition-name-substringI want to create an expression for Print Organizer's Output Filenames using a substring of the PrintDefinition.name string. For example, if a sheet's PrintDefinition.name is: 003 - Typical Section Sheet I want to grab the first three characters of thaten-USTelligent Community 12RE: Create PO Output Names from PrintDefinition.name Substring?https://communities.bentley.com/thread/446615?ContentTypeID=1Mon, 12 Feb 2018 07:23:02 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:37c2887b-cdad-4607-8f51-3c820eeaaaf7Jan Šlegr<p>Hi Darren,</p> <p>I this it should be something like</p> <p><pre class="ui-code" data-mode="csharp">System.String.Substring(PrintDefinition.SheetName,0,3)</pre></p> <p>With regards,</p> <p>  Jan</p><div style="clear:both;"></div>