Bei Unmöglichkeit durch KI an den menschlichen Support wenden

• •Slack Bot Token oder Webhook URL
• •OpenAI API Key

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        "content": "### Sub-workflow: Custom tool\nThe agent above can call this workflow. It checks if the user has supplied an email address. If they haven't it prompts them to provide one. If they have, it messages a customer support channel for help."
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        "content": "### Main workflow: AI agent using custom tool"
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        "content": "## Try it out\n\nSelect **Chat** at the bottom and enter:\n\n_Hi! Please respond to this as if you don't know the answer to my query._"
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        "content": "## Next steps\n\nLearn more about [Advanced AI in n8n](https://docs.n8n.io/advanced-ai/)"
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