CollectionsPlotLegend options object that extends OBJ_Collection options object (without parent).
parent
A legend consists of a number of trace samples and their corresponding names, and may have an encompassing frame with a border and fill.
CollectionsPlotLegend options object that extends OBJ_Collection options object (without
parent).A legend consists of a number of trace samples and their corresponding names, and may have an encompassing frame with a border and fill.