Allow expression for JSON Schema in Structured Output Parser node

[Joachim_Brindeau]

Absolutely useful, just upvoted! I had a whole thread prepared thinking I was the only one until I saw this

Allow expression for JSON Schema in Structured Output Parser node

The idea is: Structured Output Parser node doesn’t allow expression. It has to be fixed value which is surprising as everything else can be variables. My use case: I am working on a n8n workflow that takes as input a system and user prompt and outputs the results from llm completion. I wanted to add structured responses available. For that I wanted my users to pass their JSON schema as input for me to use it in the node. I think it would be beneficial to add this because: It is beneficial for …

Why is it impossible to add expressions to the Structured Output Parser

I have tried adding variables and expressions to the Structured Output Parser dynamically, but it’s not possible you cannot access ($json) or any variables at all. Having this option enabled would significantly improve the platform’s usability, as others have noted before.

Building a Scalable JSON Schema Output Parser

Does anyone have any idea how to create a scalable JSON schema structured output parser? Because currently, expressions can’t be used in Node? I’m working on an order confirmation workflow, and sometimes there is 1 product, and other times there are 20.

Dynamic JSON Example in AI Agent `output-parser node`

I want to be able to dynamically pass the desired output to the AI Agent output-parser node dynamically based on the columns of a google sheet for example. So all that field really needs, is {{expressions}} enabled. [image] I know I could try to make it work without using the parser, but it’s not reliable that way.