as2fm.scxml_converter.scxml_entries.xml_utils.get_xml_argument

as2fm.scxml_converter.scxml_entries.xml_utils.get_xml_argument(scxml_type: Type[ScxmlBase], xml_tree: Element, arg_name: str, *, none_allowed=False, empty_allowed=False) → str | None

Load an argument from the xml tree’s root tag.