# DatasetItemMediaReferenceMedia
## Properties
**media_id** | **String** | The unique langfuse identifier of the media record |
**content_type** | **String** | The MIME type of the media record |
**content_length** | **i32** | The size of the media record in bytes |
**url** | **String** | The signed download URL of the media record |
**url_expiry** | **String** | The expiry date and time of the download URL |
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