---
url: 'https://adk.nht.io/api/@nhtio/adk/batteries/interfaces/MemoryAttrs.md'
description: Attribute bag rendered onto a memory block.
---

# Interface: MemoryAttrs

Defined in: [batteries/llm/chat\_common/types.ts:139](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L139)

Attribute bag rendered onto a memory block.

## Properties

| Property                                     | Type     | Description                                                           | Defined in                                                                                                                            |
| -------------------------------------------- | -------- | --------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------- |
|  `createdAt?` | `string` | ISO-8601 creation timestamp of the memory.                            | [batteries/llm/chat\_common/types.ts:145](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L145) |
|  `kind?`           | `string` | Memory classifier.                                                    | [batteries/llm/chat\_common/types.ts:147](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L147) |
|  `nonce`          | `string` | Per-render nonce binding the block's open and close markers together. | [batteries/llm/chat\_common/types.ts:141](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L141) |
|  `score?`         | `number` | Relevance/recall score, when the memory was retrieved by similarity.  | [batteries/llm/chat\_common/types.ts:149](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L149) |
|  `source?`       | `string` | Origin of the memory (e.g. the producing subsystem).                  | [batteries/llm/chat\_common/types.ts:143](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/types.ts#L143) |