# Alarm journal table update data every 20 seconds **URL:** \ **Category:** Ignition\ **Tags:** ignition80\ **Created:** [June 11, 2020, 4:03am UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-update-data-every-20-seconds/35529 "2020-06-11T04:03:32Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![marcg](https://avatars.discourse-cdn.com/v4/letter/m/bb73d2/32.png) [@marcg](https://forum.inductiveautomation.com/u/marcg)\ **Post date:** [June 11, 2020, 4:03am UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-update-data-every-20-seconds/35529/1 "2020-06-11T04:03:32Z")
hi guys please help me, i want to update my alarm journal table every 20 seconds. the now() commands is not working. Is there other way to solve this? thanks! ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/a/a622f3c020611ce07736c140ade0d39ec8ab4a68.png) ---
**Author:** ![marcg](https://avatars.discourse-cdn.com/v4/letter/m/bb73d2/32.png) [@marcg](https://forum.inductiveautomation.com/u/marcg)\ **Post date:** [June 11, 2020, 6:37am UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-update-data-every-20-seconds/35529/2 "2020-06-11T06:37:21Z")
fixed! set the end date expression to this dateArithmetic(now(), -30, “sec”) ---
**Author:** ![qliu](https://avatars.discourse-cdn.com/v4/letter/q/bc8723/32.png) [@qliu](https://forum.inductiveautomation.com/u/qliu)\ **Post date:** [January 18, 2021, 8:50pm UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-update-data-every-20-seconds/35529/3 "2021-01-18T20:50:25Z")
@marcg Would you mind let me know why the value is -30? Is it -20 for 20 seconds? Thank you! ---
**Author:** ![marcg](https://avatars.discourse-cdn.com/v4/letter/m/bb73d2/32.png) [@marcg](https://forum.inductiveautomation.com/u/marcg)\ **Post date:** [February 2, 2021, 11:16am UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-update-data-every-20-seconds/35529/4 "2021-02-02T11:16:16Z")
hi, yeah i think so, but try using the now() command first.