●Layout
<Column2DSeries yField="Profit" displayName="Profit" patternJsFunction="patternFunc">

●Script
var chartVars = "KoolOnLoadCallFunction=chartReadyHandler";
If you want to apply patterns, please add the string, usePattern=true, to chartVars
chartVars += "&usePattern=true";

function patternFunc(id, values, patternIndex)
{
	if(values[1] <= 1500)
		return 5;
	else if(values[1] >= 1500 && values[1] <= 2500)
		return 14;
	else
		return 19;
	return 0;
}