Dec '25 • ❓ Help & Troubleshooting
Need Help: Code Node returning "unknown" values in Gmail API workflow (n8n v2)
Hi everyone,
I’m running into a frustrating scoping issue in n8n v2.
I have a "Normalize" node that cleans my data, but by the time it reaches my downstream Code node, the values are returning as undefined—even though they are connected in the same path.
I’ve tried standard $json mapping and cross-node references, but I can't seem to get the data to "stick."
Is anyone here an n8n v2 expert who has dealt with data-passing issues between Code nodes? I’m happy to share the workflow JSON if you think you can help.
Thanks!
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Need Help: Code Node returning "unknown" values in Gmail API workflow (n8n v2)
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