Allows to add extra description items to the tooltip.
struct
LocalisedStringfalseLocalisedStringfalsestringtrueDict<QualityID, LocalisedString>trueCustom values per quality level. If a value is not provided for a specific quality, CustomTooltipField::value will be used instead.
uint8trueOrdering within all description items (modded and un-modded). Items with smaller order values are shown above items with larger values.
booleantruebooleantrue