> ## 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.

# SIR Create Case Comment

Add a comment to an existing case.

<Note>
  External Documentation

  To learn more, visit the [AWS documentation](https://docs.aws.amazon.com/security-ir/latest/APIReference/API_CreateCaseComment.html).
</Note>

## Parameters

<div className="integrations-table">
  | Parameter       | Description                                                                                                                                                                                                                                                                      |
  | --------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | AWS Region(s)   | A comma-separated list of AWS region(s) where this action will be executed.<br /><br />For example, to execute in US East and Europe, enter `us-east-1,eu-west-1`.<br /><br />Alternatively, you can use the asterisk symbol `*` to run the action in all available AWS Regions. |
  | Case ID         | The ID of the case to add a comment to.                                                                                                                                                                                                                                          |
  | Client Token    | A unique identifier (typically a UUID) to ensure request idempotency, preventing duplicate case creation if a request is retried.                                                                                                                                                |
  | Comment Content | Content for the new comment.                                                                                                                                                                                                                                                     |
</div>

## Example Output

```json theme={"dark"}
{
	"commentId": "123456"
}
```

## Workflow Library Example

[Sir Create Case Comment with Aws and Send Results Via Email](https://library.blinkops.com/workflows/sir-create-case-comment-with-aws-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/sir-create-case-comment-with-aws-and-send-results-via-email/canvas" />
</div>