OptionaltoolsetsOptionalhostOptional class name for the host element.
OptionalsectionOptional class name for each section element.
OptionalheadingOptional class name for each section heading element.
OptionalgridOptional class name for the properties grid element inside each section.
Ordered toolbox layout mixing action IDs and separators. Example: ['undo', 'redo', '|', 'delete', 'copy', 'paste'] A default layout will be used if none is provided.