<cfscript>
payments = [
[{amt: 1}, {amt: 1}, {amt: 1}],
[{amt: 1}, {amt: 1}],
[{amt: 1}]
];
function sumPaymentAmounts(required array payments) {
		return payments.reduce(function (total, invoices) {
			/*
			return total += arrayreduce(invoices, function (subtotal, invoice) {
				return subtotal += invoice.amt;
			}, 0);
			*/
			try {
			writedump([arguments.total, arguments.invoices]);
			} catch (any e) {
			    writedump(e);
			}
			var reduced = arrayReduce(invoices, function(a, b) {

    			return a + b.amt;
			}, 0);
			//writedump({total:total, reduced:reduced});
			return total + reduced;
		}, 0);
	}
writeDump(sumPaymentAmounts(payments))
</cfscript>