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

# Send Ephemeral Message

Sends an ephemeral message to a user in a channel.

<Tip>
  Important Notes

  1. `Updating` or `deleting` ephemeral messages is **not supported**.
  2. Ephemeral messages are **not persistent** and will **disappear** when the Slack app or website is **reloaded**.
</Tip>

<Note>
  External Documentation

  To learn more, visit the [Slack documentation](https://api.slack.com/methods/chat.postEphemeral).
</Note>

## Basic Parameters

<div className="integrations-table">
  | Parameter | Description                                                                                                                                                                                                                                  |
  | --------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Channel   | Channel, private group, or IM channel to send message to. Can be an encoded ID, or a name.                                                                                                                                                   |
  | Content   | The text to send.<br />Whether the parameter is required depends on your usage of the `Blocks` & `Attachments` parameters.<br />For more information see [Slack documentation](https://api.slack.com/methods/chat.postEphemeral#text_usage). |
  | User      | The `ID` of the user who will receive the ephemeral message.<br />The user should be in the channel specified by the `channel` parameter.                                                                                                    |
</div>

## Advanced Parameters

<div className="integrations-table">
  | Parameter        | Description                                                                                                                                                                                                                                                                                                                                  |
  | ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Attachments      | A JSON-based array of structured attachments, presented as a URL-encoded string.                                                                                                                                                                                                                                                             |
  | Blocks           | A JSON-based array of structured blocks, presented as a URL-encoded string.                                                                                                                                                                                                                                                                  |
  | Parse            | Change how messages are treated. Defaults to `none`.<br />For more information see [Slack documentation](https://api.slack.com/methods/chat.postEphemeral#formatting) for more detail.                                                                                                                                                       |
  | Thread Timestamp | Provide another message's `Timestamp` value to post this message in a thread.<br />You can obtain a message's `Timestamp` by using the `Get Channel Message's` action.<br />Avoid using a reply's `Timestamp` value; use its parent's value instead.<br />Ephemeral messages in threads are only shown if there is already an active thread. |
</div>

## Example Output

```json theme={"dark"}
{
	"ok": true,
	"message_ts": "<string>",
	"warning": "<string>",
	"response_metadata": {
		"warnings": [
			"<string>"
		]
	}
}
```

## Workflow Library Example

[Send Ephemeral Message with Slack and Send Results Via Email](https://library.blinkops.com/workflows/send-ephemeral-message-with-slack-and-send-results-via-email)

<div className="iframe-wrapper">
  <div className="iframe-media">
    <img src="https://mintcdn.com/blinkops-2/ojHYuDeYX5FWuN8a/img/Icons/play-box.svg?fit=max&auto=format&n=ojHYuDeYX5FWuN8a&q=85&s=b8af968e71438a9499c3223c9bd29fb2" alt="Workflow Library" width="16" height="16" data-path="img/Icons/play-box.svg" />

    Preview this Workflow on desktop
  </div>

  <iframe className="iframe" src="https://library.blinkops.com/workflows/send-ephemeral-message-with-slack-and-send-results-via-email/canvas" />
</div>
