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Issues with AI Agent and addLabels Gmail tool
Hi everyone! 👋 I'm working on an email classification automation in n8n using the AI Agent + Gmail AddLabels tool. The agent analyzes incoming emails and returns a JSON like this: { "À traiter": true, "labelID": "Administratif/Finances" } The output is parsed via a Structured Output Parser, and I want to use the result to dynamically apply Gmail labels to the message using addLabels. Issue: I’m getting an error in the "Label Names or IDs" field saying either "undefined" or "no path back to node". Any tips on properly linking the label value from the AI Agent → Structured Output Parser → Gmail tool? 🙏 Thanks in advance!
Issues with AI Agent and addLabels Gmail tool
1 like • Apr '25
@Mirko Salzer It does work so far! Thank you so much Mirko :) Do you think the error came from the prompt being placed in the wrong spot?
2 likes • Apr '25
@Valentin Ffrench Thank you so much for all these details and tips, I’ll keep them in mind :) Thanks to your help and the great advice from both you and @Mirko Salzer, my workflow is working now, and I’ve learned from my mistakes — and that’s what really matters in the end ;)
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Corentin Niort
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@corentin-niort-2176
Just a guy looking to learn cool stuff

Active 191d ago
Joined Apr 20, 2025
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