Templates / Form with dynamic dropdown field

Form with dynamic dropdown field

Ready for 3.0

by Obsidi8n ✓ · 8,511 views · created 2025-01-09 · Miscellaneous

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 9 nodes and runs when someone submits an n8n form (“Example Title”) (plus 1 other trigger). Along the way it connects Google Sheets.

How it runs

Trigger: When someone submits an n8n form (“Example Title”) (plus 1 other trigger).

  1. Execute Workflow (Execute Sub-workflow): calls another n8n workflow
  2. Get all values (Google Sheets): uses Google Sheets
  3. Format to 'values' (Edit Fields (Set)): sets 1 field: value
  4. Write JSON (Code): runs custom JavaScript code
  5. n8n: get
  6. Replace values (Edit Fields (Set)): sets or maps fields
  7. n8n: update

Services it uses

Google Sheets

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (7)

From the author

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…

Excerpt from Obsidi8n's description on n8n.io.

View the original on n8n.io → Check your own copy

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