- `client_id` int(11) default NULL, # client id (if selected)
- `cf_1_option_id` int(11) default NULL, # custom field 1 option id (if selected)
- `project_id` int(11) default NULL, # project id (if selected)
- `task_id` int(11) default NULL, # task id (if selected)
- `billable` tinyint(4) default NULL, # whether to include billable, not billable, or all records
- `invoice` tinyint(4) default NULL, # whether to include invoiced, not invoiced, or all records
- `paid_status` tinyint(4) default NULL, # whether to include paid, not paid, or all records