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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.
The question you want to ask.
Browse n8n-nodes-langchain.chainretrievalqa integration templates or search all templates
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.
For common errors or issues and suggested resolution steps, refer to Common Issues.
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