# NotificationRowClicked

> **Class** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/widgets/notification_center/NotificationRowClicked)

Posted when a notification row is clicked with the mouse.

## Signature

```python
NotificationRowClicked(
    self,
    key: str,
)
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `key` | `str` | Yes | Registry key of the clicked notification. Using a key instead of an index keeps the message valid across `reload()` rebuilds, which replace the row list. |

## Extends

- `Message`

## Constructors

```python
__init__(
    self,
    key: str,
) -> None
```

| Name | Type |
|------|------|
| `key` | `str` |


## Properties

- `key`

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/0412009c5441bef8d75a427e1da8909e33ab5b56/libs/code/deepagents_code/widgets/notification_center.py#L56)