Description on the Expenditure Batch Summary screen

Is there an API or programmatic way to enter the Description on the Expenditure Batch Summary screen? Our batches are being generated by the transaction import process based on the data we put into the table PA_TRANSACTION_INTERFACE_ALL. However, I do not see a field that would tie to batch description field. Is our only option to update the pa_expenditure_groups_all table directly?

Thanks,
Dana