> 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: ApiUploadExtMetadataField

Defined in: [core/upload.ts:19](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/upload.ts#L19)

A single `extmetadata` field on an uploaded file's imageinfo.

## Properties

### hidden?

> `optional` **hidden?**: `string`

Defined in: [core/upload.ts:27](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/upload.ts#L27)

Empty string marking the field as hidden from default display.

***

### source?

> `optional` **source?**: `string`

Defined in: [core/upload.ts:24](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/upload.ts#L24)

Where the value came from (e.g. `mediawiki-metadata`, `exif`).

***

### value?

> `optional` **value?**: `string`

Defined in: [core/upload.ts:21](https://github.com/BearBin1215/types-mediawiki-response/blob/c1e25ea2ef2684b43c79e05d6e0dd36e33fbc9a3/src/core/upload.ts#L21)

Field value (usually a string; may be a timestamp or HTML).