Average Rule

activeSheet.setValue(0,0, 1,3);
activeSheet.setValue(1,0, 50,3);
activeSheet.setValue(2,0, 100,3);
activeSheet.setValue(3,0, 2,3);
activeSheet.setValue(4,0, 60,3);
activeSheet.setValue(5,0, 90,3);
activeSheet.setValue(6,0, 3,3);
activeSheet.setValue(7,0, 40,3);
activeSheet.setValue(8,0, 70,3);
activeSheet.setValue(9,0, 5,3);
activeSheet.setValue(10,0, 35,3);

var style = new GC.Spread.Sheets.Style();
style.backColor = "red";
style.borderLeft =new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderTop = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderRight = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderBottom = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
activeSheet.conditionalFormats.addAverageRule(GC.Spread.Sheets.ConditionalFormatting.AverageConditionType.Above, style, [new GC.Spread.Sheets.Range(0, 0, 10, 3)]);
// OR
activeSheet.setValue(0,0, 1,3);
activeSheet.setValue(1,0, 50,3);
activeSheet.setValue(2,0, 100,3);
activeSheet.setValue(3,0, 2,3);
activeSheet.setValue(4,0, 60,3);
activeSheet.setValue(5,0, 90,3);
activeSheet.setValue(6,0, 3,3);
activeSheet.setValue(7,0, 40,3);
activeSheet.setValue(8,0, 70,3);
activeSheet.setValue(9,0, 5,3);
activeSheet.setValue(10,0, 35,3);

var style = new GC.Spread.Sheets.Style();
style.backColor = "red";
style.borderLeft =new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderTop = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderRight = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);
style.borderBottom = new GC.Spread.Sheets.LineBorder("blue",GC.Spread.Sheets.LineStyle.medium);

var rule = new GC.Spread.Sheets.ConditionalFormatting.NormalConditionRule();
rule.ruleType(GC.Spread.Sheets.ConditionalFormatting.RuleType.AverageRule);
rule.ranges([new GC.Spread.Sheets.Range(0, 0, 10, 3)]);
rule.style(style);
rule.type(GC.Spread.Sheets.ConditionalFormatting.AverageConditionType.Above);
activeSheet.conditionalFormats.addRule(rule);