# Update a table on a weekly basis using information from another table **URL:** https://community.glideapps.com/t/update-a-table-on-a-weekly-basis-using-information-from-another-table/60336 **Category:** Ask for Help **Created:** [April 9, 2023, 5:52pm UTC](https://community.glideapps.com/t/update-a-table-on-a-weekly-basis-using-information-from-another-table/60336 "2023-04-09T17:52:58Z") **Posts on this page:** 1 **Showing post:** 4
### Author: ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy) #### Post date: [April 9, 2023, 6:25pm UTC](https://community.glideapps.com/t/update-a-table-on-a-weekly-basis-using-information-from-another-table/60336/4 "2023-04-09T18:25:25Z")
You could use an onSubmit action, although that probably won’t work as you wont have the values from the final submission available to calculate the values that you need. So yes, you’ll most likely need to use a Custom Form. > [@How do I create a custom form?](https://community.glideapps.com/t/how-do-i-create-a-custom-form/25014): > > I’m just dropping this here so I have something to refer people to when they ask. This is a simple concept app (copyable), that demonstrates the following techniques: Building custom forms for adding and editing list items (as an alternative to the native forms provided by Glide) Preventing duplicate new entries using [User Specific Columns](https://docs.glideapps.com/all/reference/data-editor/user-specific-columns) and [Relations](https://docs.glideapps.com/all/reference/data-editor/computed-columns/relation-column) Enforcing mandatory input items The use of visibility conditions and user specific booleans to control user flow There is nothing particula… --- _[View the full topic](https://community.glideapps.com/t/update-a-table-on-a-weekly-basis-using-information-from-another-table/60336)._