> For AI agents: the complete documentation index is available at https://types-mediawiki-response.pages.dev/zh/llms.txt, the full documentation bundle is available at https://types-mediawiki-response.pages.dev/zh/llms-full.txt.

# Interface: ApiFileExtension

Defined in: [core/query/siteinfo.ts:452](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/query/siteinfo.ts#L452)

One uploadable file extension (`siprop=fileextensions`).

## Properties

### ext

> **ext**: `string`

Defined in: [core/query/siteinfo.ts:454](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/query/siteinfo.ts#L454)

Extension without the dot, e.g. `png`.