class ZepCloudMemoryClass used to manage the memory of a chat session, including loading and saving the chat history, and clearing the memory when needed. It uses the ZepClient to interact with the Zep service for managing the chat session's memory.
Method that deletes the chat history from the Zep service.
Method that retrieves the chat history from the Zep service and formats it into a list of messages.
Method that saves the input and output messages to the Zep service.
const sessionId = randomUUID();
// Initialize ZepCloudMemory with session ID and API key
const memory = new ZepCloudMemory({
sessionId,
apiKey: "<zep api key>",
});
// Create a ChatOpenAI model instance with specific parameters
const model = new ChatOpenAI({
model: "gpt-3.5-turbo",
temperature: 0,
});
// Create a ConversationChain with the model and memory
const chain = new ConversationChain({ llm: model, memory });
// Example of calling the chain with an input
const res1 = await chain.call({ input: "Hi! I'm Jim." });
console.log({ res1 });
// Follow-up call to the chain to demonstrate memory usage
const res2 = await chain.call({ input: "What did I just say my name was?" });
console.log({ res2 });
// Output the session ID and the current state of memory
console.log("Session ID: ", sessionId);
console.log("Memory: ", await memory.loadMemoryVariables({}));