Form with Dynamic Dropdown Field

n8n template #2712

Summary

This workflow creates a customizable form with a dynamic dropdown field that automatically updates its options from an external data source. How it works The workflow polls an external data source (Google Sheets in this example) at regular intervals New values are processed and formatted for the dropdown The form automatically updates with the new dropdown options Set up steps Configure your data source: Default setup uses Google Sheets replace with credentials for your sheet set up the update frequency Or modify to use any other data source (API, database, etc.) Adjust the form configuration: Customize the form title and description Add or modify form fields as needed The template includes

How to set it up

Open template #2712 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create a credential under Credentials → Add credential: Google Sheets. Then open each of those nodes and pick the credential.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "Form with Dynamic Dropdown Field" (https://n8n.io/workflows/2712). It uses: Google Sheets, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Google Sheets Code

Questions

Yes. Obsidi8n published it free on n8n.io as a verified creator, and it has 5,088 views. It runs on n8n Cloud or a self-hosted n8n instance.

Google Sheets. The other 1 node are built into n8n.

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