{"title":"Visual Variable Legend Options","type":"object","$schema":"http://json-schema.org/draft-07/schema","description":"Options available for the legend for visual variables.","properties":{"customValues":{"type":"array","items":{"type":"number"}},"showLegend":{"type":"boolean","description":"Indicates whether to show the color/size/opacity ramp in the legend."},"title":{"type":"string","description":"The title of the legend."}}}