# Author (deprecated)

<!-- START TOKEN(Autogenerated block API docs) -->
<div class="callout callout-alert">This block is <strong>deprecated</strong> and should not be used in new content. Please use the Avatar block, the Author Name block, and the Author Biography block instead.</div>

- **Name:** `core/post-author`
- **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:** [Dynamic](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/) (server-rendered)

## 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 |
|-----------|------|---------|-------------|
| `textAlign` | `string` | — | — |
| `avatarSize` | `number` | `48` | — |
| `showAvatar` | `boolean` | `true` | — |
| `showBio` | `boolean` | — | — |
| `byline` | `string` | — | — |
| `isLink` | `boolean` | `false` | [Role](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#role): `content` |
| `linkTarget` | `string` | `"_self"` | [Role](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#role): `content` |

## Supports

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

- [`inserter`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#inserter): `false`
- [`anchor`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#anchor): `true`
- [`html`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#html): `false`
- [`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`
- [`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`
  - [`link`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-link): `true`
- [`interactivity`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#interactivity):
  - `clientNavigation`: `true`
- [`filter`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#filter):
  - [`duotone`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#filter-duotone): `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:**

- `postType`
- `postId`
- `queryId`

## CSS Selectors

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

- **filter**:
  - duotone: `.wp-block-post-author .wp-block-post-author__avatar img`

## Block Markup

This is a [**dynamic block**](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/). It is rendered on the server and does not save HTML in post content.

In post content, it is stored as a block comment:

```html
<!-- wp:post-author /-->
```

## Source

- [block.json](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/post-author/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/post-author/) — browse `edit.js`, `save.js`, `index.php`, and more.

<!-- END TOKEN(Autogenerated block API docs) -->