# GetMediaUploadUrlRequest
## Properties
**trace_id** | **String** | The trace ID associated with the media record |
**observation_id** | Option<**String**> | The observation ID associated with the media record. If the media record is associated directly with a trace, this will be null. | [optional]
**content_type** | [**models::MediaContentType**](MediaContentType.md) | |
**content_length** | **i32** | The size of the media record in bytes |
**sha256_hash** | **String** | The SHA-256 hash of the media record |
**field** | **String** | The trace / observation field the media record is associated with. This can be one of `input`, `output`, `metadata` |
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