| Type | Name | Default | Documentation |
|---|
| PyInt | first | 0 | index, starting from 0 where the 0th transaction is the most recent, of the first transaction to be returned in the sequence of all undoable transactions that pass the given filter. |
| PyInt | last | -20 | index, starting from 0 where the 0th transaction is the most recent, of the last transaction to be returned in the sequence of all undoable transactions that pass the given filter.
last may be less than 0, in which case it's absolute value is the maximum number of records to be returned. |
| Callable | filter | lambda t: 1 | A function for selecting the transaction descriptions to be returned. It is called with a TransactionDescription and returns a true or false value. TransactionDescriptions are eligable to be returned if the filter returns a true value when caled with them. |