Returns an aggregate in a list or database.
This method doesn't have any parameters.
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.AGGREGATE(9, 4, 10, 30, 50, 5));
builder.SaveFile("xlsx", "AGGREGATE.xlsx");
builder.CloseFile();