These instruments work via the command line that can be used directly in the corresponding panel of the user interface.
The command instruction is used to call the functional via the CAD XML Interface.
Supported commands are described in the User Reference.
Example showing how to start drawing a line:
<?xml version="1.0" encoding="UTF-8"?>
You can find examples of the most important command calls in the Commands section of the XML editor:
Go to CADEditorX