# ArticleSortKey

The set of valid sort keys for article listings. This enum defines the available fields by which articles can be sorted in list queries.

## Enum Definition

```graphql
enum ArticleSortKey {
  TITLE
  PUBLISHED_AT
  CREATED_AT
  UPDATED_AT
  AUTHOR
}
```

## Values

| Value | Description |
|-------|-------------|
| TITLE | Sort articles by title |
| PUBLISHED_AT | Sort articles by publication date |
| CREATED_AT | Sort articles by creation date |
| UPDATED_AT | Sort articles by last update date |
| AUTHOR | Sort articles by author |

## Example

```graphql
query {
  articles(sortKey: PUBLISHED_AT, first: 10) {
    edges {
      node {
        id
        title
        publishedAt
        author
      }
    }
  }
}
```

## Related Types

No related types specified.