See Expression Elements for a full list.
Expression Value: Colourset _colourset$
Expression Element: Built-in properties
Colourset
The Colourset object used by a Grid item. This affects how the Grid item is coloured. If you do not specify a colourset name then the Grid item's Pen colour will be used.
Expression Syntax: _colourset$
_colourset$ returns the Colourset object used by a Grid item.