LegendSpec.setTitle(value)
Specifies the legend title.
Parameter
value a String containing the title text
Note: Script that modifies 'graph' should be placed at the element level. See Adding Element-Level Script in Report Scripting and Adding Component Script in Dashboard Scripting for more information.
Example (Report or Viewsheet)
dataset = [["State", "Quantity"], ["NJ",200], ["NY",300]];
graph = new EGraph();
var elem = new IntervalElement("State", "Quantity");
var frame = new CategoricalColorFrame();
frame.setField("State");
var spec = new LegendSpec();
spec.setTitle('Legend1');
frame.setLegendSpec(spec);
elem.setColorFrame(frame);
graph.addElement(elem);

See Also
DataSet, to use a Data Block or query as the dataset source.
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