CADViewer uses the JSON interface of AutoXchange 2024 to dynamically change Text String Variables for PDF output.
https://onlinedemo.cadviewer.com/cadviewer_6_1_0/html/CADViewer_jsonstrings_610.html?drawing_name=https://onlinedemo.cadviewer.com/cadviewer_6_1_0/content/drawings/dwg/base_xref_json.dwg&print_modal_custom_checkbox=add_json&print_modal_variable_replacement=titlevariable,{prependvariable:CADVIEWER-SK-}

CADViewer uses the JSON interface of AutoXchange 2024 to dynamically change Text String Variables for PDF output.