Question and Answer Chain node documentation
Learn how to use the Question and Answer Chain node in n8n. Follow technical documentation to integrate Question and Answer Chain node into your workflows.
Question and Answer Chain node
Use the Question and Answer Chain node to use a vector store as a retriever.
On this page, you'll find the node parameters for the Question and Answer Chain node, and links to more resources.
Node parameters
Query
The question you want to ask.
Templates and examples
[[ templatesWidget(page.title, 'retrieval-qanda-chain') ]]
Related resources
Refer to LangChain's documentation on retrieval chains for examples of how LangChain can use a vector store as a retriever.
View n8n's Advanced AI documentation.
Common issues
For common errors or issues and suggested resolution steps, refer to Common Issues.
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Question and Answer Chain node common issues
Documentation for common issues and questions in the Question and Answer Chain node in n8n, a workflow automation platform. Includes details of the issue and suggested solutions.