> ## Documentation Index
> Fetch the complete documentation index at: https://docs.r28.ai/charter/llms.txt
> Use this file to discover all available pages before exploring further.

# chat_post_ephemeral

> Post a message only one person in a channel can see, and which vanishes when they reload. The response carries `message_ts` and nothing else.

<div className="tool-route"><span className="tool-row-method" data-method="POST">POST</span><code>{"https://slack.com/api/chat.postEphemeral"}</code></div>

```python slack_chat_post_ephemeral.py theme={null}
from charter.packs import slack

result = await slack.chat_post_ephemeral.ainvoke({"channel": ..., "user": ..., "text": ...})
```

<Note>
  Requires `chat:write`, `channels:read`, `groups:read`, `im:read`, `mpim:read`, `channels:history`, `groups:history`, `im:history`, `mpim:history`, `users:read`, `reactions:write`.
</Note>

## Body

<div className="reference-table">
  | Field                                                           | Type     | Description                                          |
  | --------------------------------------------------------------- | -------- | ---------------------------------------------------- |
  | `channel` <span className="required" title="required">\*</span> | `string` | The channel to post in.                              |
  | `user` <span className="required" title="required">\*</span>    | `string` | The user who will see the message. Nobody else does. |
  | `text` <span className="required" title="required">\*</span>    | `string` | The message text, as Slack markup.                   |
  | `threadTs`                                                      | `string` | Post into this thread rather than the channel.       |
</div>