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

# Create mockup thread reply

> Create a reply for a mockup comment.

Creates a reply for a mockup comment.

## Request body

<ParamField body="comment_id" type="string" required>
  UUID of the parent mockup comment.
</ParamField>

<ParamField body="content" type="string">
  Reply text content. Required when no attachments are provided.
</ParamField>

<ParamField body="is_private" type="boolean">
  Whether the reply is private. Default: `false`.
</ParamField>

<ParamField body="mentions" type="array">
  Array of mentioned user IDs.
</ParamField>

<ParamField body="attachment_ids" type="array">
  Attachment IDs to associate with the reply. At least one of `content` or `attachment_ids` must be provided.
</ParamField>

<ResponseExample>
  ```json 201 theme={null}
  {
    "success": true,
    "message": "Reply created successfully",
    "data": {
      "id": "thread-001",
      "comment_id": "220e8400-e29b-41d4-a716-44665544000c",
      "content": "Use the darker green from the design system here.",
      "is_private": false
    }
  }
  ```
</ResponseExample>