Optional
messages: BaseMessage[]A path to the module that contains the class, eg. ["langchain", "llms"] Usually should be the same as the entrypoint the class is exported from.
A map of aliases for constructor args. Keys are the attribute names, e.g. "foo". Values are the alias that will replace the key in serialization. This is used to eg. make argument names match Python.
A map of additional attributes to merge with constructor args. Keys are the attribute names, e.g. "foo". Values are the attribute values, which will be serialized. These attributes need to be accepted by the constructor as arguments.
The final serialized identifier for the module.
A map of secrets, which will be omitted from serialization. Keys are paths to the secret in constructor args, e.g. "foo.bar.baz". Values are the secret ids, which will be used when deserializing.
Method to add a new message to the ChatMessageHistory instance.
The BaseMessage instance to add.
A promise that resolves when the message has been added.
Method to get all the messages stored in the ChatMessageHistory instance.
Array of stored BaseMessage instances.
Static
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Class for storing chat message history in-memory. It extends the BaseListChatMessageHistory class and provides methods to get, add, and clear messages.