Trigger a field rule when Choice Availability reaches 0

Trigger a field rule when Choice Availability reaches 0

First of all, thanks for shipping the new Choice Availability counter. It solves the basic “stop over-booking” problem.

What’s missing, though, is a way to react when an option is sold out. Right now we can only disable/hide the choice; we can’t fire a Field Rule or display a custom message the moment the remaining quantity hits 0.

Why this matters

  • We want to show an alternative field (“Join the wait-list”, “Contact us”, etc.) automatically—without forcing the user to refresh the page.

  • We shouldn’t have to rebuild stock logic in Deluge/Flows or inject custom JavaScript just to detect “sold out”.

  • A formal event/condition keeps everything inside the no-code interface you’ve already built.

What would solve it

  1. Expose the current stock value as a variable that Field Rules can evaluate (e.g., Option.Stock == 0).

  2. Or, fire a dedicated trigger/event (OnChoiceSoldOut) so we can link it to Show/Hide Field actions.

Either approach would let us keep the UX clean and stay 100 % within Zoho Forms.

Thanks for considering this quality-of-life improvement.

—Michel

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