<para> A comma-separated list of additional Columns (properties of the finAccountCalcScheduleItem object) to include. </para> <para> The following columns will always be included (the minimum required to display an Account Schedule form): <list> <item>Date</item> <item>ScheduleType</item> <item>ElementId</item> <item>Reference</item> <item>Value</item> <item>WithholdingTaxValue (Deposits only)</item> <item>Balance</item> <item>Notes</item> <item>TransactionPk</item> <item>TransactionReversePk</item> <item>ScheduleTypeIcon</item> <item>ScheduleTypeTooltipText</item> </list> </para> <para> The following additional columns are available: <list> <item>BalanceOverdue</item> <item>Overdue</item> </list> </para> <para> To optimise the size of the JSON string, any blank values (strings etc) will be omitted. </para>