Optional fields: BufferMemoryInputOptional inputOptional outputLoads the memory variables. It takes an InputValues object as a
parameter and returns a Promise that resolves with a
MemoryVariables object.
InputValues object.
A Promise that resolves with a MemoryVariables object.
Method to add user and AI messages to the chat history in sequence.
The input values from the user.
The output values from the AI.
Promise that resolves when the context has been saved.
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The
BufferMemoryclass is a type of memory component used for storing and managing previous chat messages. It is a wrapper aroundChatMessageHistorythat extracts the messages into an input variable. This class is particularly useful in applications like chatbots where it is essential to remember previous interactions. Note: The memory instance represents the history of a single conversation. Therefore, it is not recommended to share the same history or memory instance between two different chains. If you deploy your LangChain app on a serverless environment, do not store memory instances in a variable, as your hosting provider may reset it by the next time the function is called.