Memories
In Langflow version 1.5, the Memory category was removed.
All components that were in this category were replaced by other components or moved to other categories in the Components menu.
Some components that were in the Memory category are legacy components. You can use these components in your flows, but they are no longer maintained and may be removed in a future release.
It is recommended that you replace all legacy components with the replacement components described on this page.
Message History
The Message History component was moved to the Helpers category. This component combines the functionality of the legacy Chat History and Message Store components.
Message Store
The Message Store component is a legacy component. The functionality provided by this component is available in the Message History component. Replace this component with the Message History component.
Provider-specific chat memory components
Provider-specific components were moved to the Bundles category:
- Mem0 Chat Memory component
- Redis Chat Memory component
- Cassandra Chat Memory component
- Astra DB Chat Memory component
Zep Chat Memory
The Zep Chat Memory component is a legacy component. Replace this component with the Message History component.
This component creates a ZepChatMessageHistory instance, enabling storage and retrieval of chat messages using Zep, a memory server for LLMs.
It accepts the following parameters:
| Name | Type | Description |
|---|---|---|
| url | MessageText | Input parameter. The URL of the Zep instance. Required. |
| api_key | SecretString | Input parameter. The API Key for authentication with the Zep instance. |
| api_base_path | Dropdown | Input parameter. The API version to use. Options include api/v1 or api/v2. |
| session_id | MessageText | Input parameter. The unique identifier for the chat session. Optional. |
| message_history | BaseChatMessageHistory | Output parameter. An instance of ZepChatMessageHistory for the session. |
