Setting/automailbalance

For group bookings, if the action applies to the Group Master Booking, the group invoice balance is used for this calculation. If the action triggers on all bookings then each individual part booking invoice balance is used.

Between allows you to specify a minimum and maximum value

A positive invoice balance means the guest has not paid all the invoice charges.

A payment is any positive value entry in the payment section of the invoice.

A negative invoice balance means the Guest has paid more than the invoice charges.

A zero balance means the invoice charges have been paid.

More than 1 means more than 1 is owing on the invoice charges

More than 10 means more than 10 is owing on the invoice charges

More than 100 means more than 100 is owing on the invoice charges

More than 1000 means more than 1000 is owing on the invoice charges

Less than 1 means less than 1 is owing on the invoice charges

Less than 10 means less than 10 is owing on the invoice charges

Less than 100 means less than 100 is owing on the invoice charges

Less than 1000 means less than 1000 is owing on the invoice charges