activeSheet.setValue(0, 0, 1);
activeSheet.setValue(0, 1, 2);
activeSheet.setValue(0, 2, 3);
spread.addCustomName("customName1","=12", 0, 0);
activeSheet.setFormula(1, 0, "customName1");
var cname = spread.getCustomName("customName1");
if (cname instanceof GC.Spread.Sheets.NameInfo) {
//get CustomName
var name = cname.getName();
//get Expression
var expression = cname.getExpression();
//get Expression String
var expStr = GC.Spread.Sheets.CalcEngine.expressionToFormula(activeSheet, expression, 0, 0);
alert("Name:" + name + ";Expression: =" + expStr);
}