# Comments

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An advanced block that allows displaying post comments using different visual configurations.

- **Name:** `core/comments`
- **Category:** [theme](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-theme/)
- **API Version:** [3](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-api-versions/)
- **Block Type:** [Hybrid](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/) (static save + server enhancements)

## Attributes

_Defined via the [`attributes`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/) property in block.json._

| Attribute | [Type](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#type-validation) | [Default](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#default-value) | Description |
|-----------|------|---------|-------------|
| `tagName` | `string` | `"div"` | — |
| `legacy` | `boolean` | `false` | — |

## Supports

_Defined via the [`supports`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/) property in block.json._

- [`anchor`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#anchor): `true`
- [`align`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#align): `"wide"`, `"full"`
- [`html`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#html): `false`
- [`color`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color):
  - [`gradients`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-gradients): `true`
  - [`heading`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-heading): `true`
  - [`link`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-link): `true`
- [`spacing`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#spacing):
  - `margin`: `true`
  - `padding`: `true`
- [`typography`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography):
  - [`fontSize`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography-fontsize): `true`
  - [`lineHeight`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography-lineheight): `true`

## Context

_Defined via the [`usesContext` and `providesContext`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-context/) properties in block.json._

**Uses context:**

- `postId`
- `postType`

## Block Markup

This is a [**hybrid block**](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/). It saves static markup that the server may enhance during rendering.

```html
<!-- wp:comments {"className":"comments-post-extra"} -->
<div class="wp-block-comments comments-post-extra"><!-- wp:comments-title /-->

    <!-- wp:comment-template -->
    <!-- wp:columns -->
    <div class="wp-block-columns"><!-- wp:column {"width":"40px"} -->
    <div class="wp-block-column" style="flex-basis:40px"><!-- wp:avatar {"size":40,"style":{"border":{"radius":"20px"}}} /--></div>
    <!-- /wp:column -->
    
    <!-- wp:column -->
    <div class="wp-block-column"><!-- wp:comment-author-name {"fontSize":"small"} /-->
    
    <!-- wp:group {"style":{"spacing":{"margin":{"top":"0px","bottom":"0px"}}},"layout":{"type":"flex"}} -->
    <div class="wp-block-group" style="margin-top:0px;margin-bottom:0px"><!-- wp:comment-date {"fontSize":"small"} /-->
    
    <!-- wp:comment-edit-link {"fontSize":"small"} /--></div>
    <!-- /wp:group -->
    
    <!-- wp:comment-content /-->
    
    <!-- wp:comment-reply-link {"fontSize":"small"} /--></div>
    <!-- /wp:column --></div>
    <!-- /wp:columns -->
    <!-- /wp:comment-template -->
    
    <!-- wp:comments-pagination /-->
    
    <!-- wp:post-comments-form /--></div>
    <!-- /wp:comments -->
```

## Source

- [block.json](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/comments/block.json) ([reference](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-metadata/))
- [Source directory](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/comments/) — browse `edit.js`, `save.js`, `index.php`, and more.

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