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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.

Refer to LangChain's documentation on retrieval chains for examples of how LangChain can use a vector store as a retriever.

Common issues#

For common errors or issues and suggested resolution steps, refer to Common Issues.