docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.memorypostgreschat.md

metadata

title: Postgres Chat Memory node documentation
description: >-
  Learn how to use the Postgres Chat Memory node in n8n. Follow technical
  documentation to integrate Postgres Chat Memory node into your workflows.
contentType:
  - integration
  - reference

Postgres Chat Memory node

Use the Postgres Chat Memory node to use Postgres as a memory server for storing chat history.

On this page, you'll find a list of operations the Postgres Chat Memory node supports, and links to more resources.

/// note | Credentials You can find authentication information for this node here. ///

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Node parameters

• Session Key: Enter the key to use to store the memory in the workflow data.
• Table Name: Enter the name of the table to store the chat history in. The system will create the table if doesn't exist.
• Context Window Length: Enter the number of previous interactions to consider for context.

Related resources

Refer to LangChain's Postgres Chat Message History documentation{:target=_blank .external-link} for more information about the service.

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Single memory instance

[[% include "_includes/integrations/cluster-nodes/memory-shared.html" %]]

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