How to configure Placeholder Definitions?

Questions
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1

Hi guys :wave:

I’m currently trying to develop a custom node which can be used as AI Agent tool. So far the custom node just sends gRPC requests to an application which is working fine and I can also attach it to an AI Agent.
After attaching it to an AI agent, I realized that I also need placeholders and placeholder definitions that the AI agent can use to populate the request body exactly as it is implemented in the HTTP request tool.

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So I can you use the placeholder like this in the tool.

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But I have a hard time figuring out what exactly I have to configure. I already searched within the HttPRequest nodes source code but I just can’t find the piece of configuration I need.

Does somebody know where I can find this piece of information?

Thanks in advance!

Information on your n8n setup

  • n8n version: 1.82
  • Running n8n via Docker: used image Package n8n · GitHub
  • Operating system: Alpine Linux v3.20
2

Hi,

I would highly recommend exploring some of the example workflows which can be found at Discover 1546 Automation Workflows from the n8n's Community

I’m sure you will soon get a lightbulb moment on how all bits and bolts fit together.

reg,
J.

3

Hi jcuypers,

Thanks for your reply! But I don’t think if this could help me. Those workflows won’t help me figuring out what I need to implement within my own custom node in order to make use of the placeholder definitions in it.

4

@n8n unfortunately I could not solve my issue yet

5

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