| units | strings | | Service Units to filter on. If not set, all units will be read. |
| directory | string | | The directory containing Journald’s log files. If not set, /run/log/journal and /run/journal will be used. |
| priority | enum | ”info” | Set log level priority. Valid values are: trace, info, warn, error, and fatal. |
| start_at | enum | end | Start reading the journal from the ‘beginning’ or ‘end’. |
