---
title: "[Preview Sharing] - Reply to a Review Comment"
description: How to reply to a review comment in Preview Sharing using threaded discussions.
url: https://www.contentstack.com/docs/content-managers/preview-sharing/reply-to-a-review-comment
product: Contentstack
doc_type: how-to
audience:
  - content-managers
version: current
last_updated: 2026-03-25
---

# [Preview Sharing] - Reply to a Review Comment

This page explains how to reply to review comments in Preview Sharing using threaded discussions. It is intended for content managers and collaborators who are reviewing shared previews and need to provide additional context or clarification during feedback cycles.

## Reply to a Review Comment

Conversations around content feedback can be managed through threaded comments. Users can reply to comments to provide additional context or clarification.

**Note**: Ensure that a preview of the content has been shared. Refer to the [Share a Preview](/docs/content-managers/preview-sharing/share-a-preview) document for more details.

To reply to a review comment, follow these steps:
- Open the **shared preview link** from your email.**Note**: When sharing a preview with external users who are not added to the stack or do not have a Contentstack account, they will be prompted to enter a display name before they can view or comment on the content.
- Locate the comment thread by clicking the discussion icon on the website preview, or by navigating to the **Discussions** panel on the right.
- Enter your response.**Tip**: Mention a user by typing `@username` to notify them directly.
- Click **Post**.**Note**: The maximum length of a comment is **500 characters**.

Replies are added in a threaded format, making it easier to track discussions.

## Common questions

**How do I make sure I can reply to a comment?**  
Ensure that a preview of the content has been shared and that you have access to the shared preview link.

**Can external users reply to comments?**  
Yes. When sharing a preview with external users who are not added to the stack or do not have a Contentstack account, they will be prompted to enter a display name before they can view or comment on the content.

**How do I notify someone in a reply?**  
Mention a user by typing `@username` to notify them directly.

**What is the maximum length of a comment?**  
The maximum length of a comment is **500 characters**.