Need recommendations for creating a form with conditional logic?

Topic summary

Request to build a Shopify form with conditional logic: when a user selects a country from a dropdown, a corresponding message should display; different countries should show different messages. Screenshots illustrate the intended behavior, and a preview URL with password was provided.

Key need: recommendations for a third‑party app or method to implement this logic within a (third‑party) Shopify theme.

Most recent guidance: use JavaScript (JS). Specifically, listen for the dropdown’s “change” event and, upon selection, append or display the appropriate message element at the target location. (“JS” = JavaScript; “on change” refers to the event fired when a dropdown value changes; “append” means adding the message node to the page.)

Decisions/outcomes: No specific app was recommended; no code samples were provided.

Status: Unresolved/ongoing. The original poster still needs either an app recommendation or detailed implementation steps. Attachments (screenshots) are central to understanding the desired UI.

Summarized with AI on February 3. AI used: gpt-5.

Hi could anyone help to create a form with conditional logic. If a customer chooses a particular country (through a drop down menu), then a message would show. If they choose a different country, a different message would show.

This is what I have in mind:

URL: https://5zp3wquy4hoyx2ap-68790550809.shopifypreview.com

Password: teagau

Any third-party app you’d recommend, I have looked everywhere!

Thank you

EA

Hello @erika_brandlab1 ,

You need to use JS on change of the dropdown and when you find a change in dropdown append the line to the target location.

Thanks