# Set column value in another table after typing a coupon code — what's the simplest approach?

**URL:** https://community.glideapps.com/t/set-column-value-in-another-table-after-typing-a-coupon-code-whats-the-simplest-approach/87557
**Category:** Ask for Help
**Created:** [August 11, 2026, 4:16pm UTC](https://community.glideapps.com/t/set-column-value-in-another-table-after-typing-a-coupon-code-whats-the-simplest-approach/87557 "2026-08-11T16:16:28Z")
**Posts on this page:** 1
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### Author: ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)
#### Post date: [August 11, 2026, 6:49pm UTC](https://community.glideapps.com/t/set-column-value-in-another-table-after-typing-a-coupon-code-whats-the-simplest-approach/87557/2 "2026-08-11T18:49:53Z")

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> [@Restricting a checkout button from writing data across table contexts (Maker Plan)](https://community.glideapps.com/t/restricting-a-checkout-button-from-writing-data-across-table-contexts-maker-plan/87548):
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> Hi Glide Community, I am building a dual-sided marketplace mobile application on the Maker Plan, and I am stuck on a critical data-context roadblock during my checkout execution.[📱] My Current Architecture:Shopping Cart Screen Source: My main checkout page is sourced from the Users table. This is structurally required to keep my layout stable and calculate user-specific basket metrics.Order Lifecycle: I have an “Add to Cart” button that correctly uses Add Row to generate an initial transaction …

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