| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The image processing rule. | ||
| image_thumbnail_process | string | The thumbnail processing rules for images. For more information, see the "IMG implementation modes" topic of Object Storage Service (OSS). Default value: image/resize,m_fill,h_128,w_128,limit_0. | image/resize,m_fill,h_128,w_128,limit_0 |
| video_thumbnail_process | string | The thumbnail processing rules for videos. For more information, see the "Video snapshots" topic of OSS. Default value: video/snapshot,t_1000,f_jpg,w_0,h_0,m_fast,ar_auto. | video/snapshot,t_1000,f_jpg,w_0,h_0,m_fast,ar_auto |
| office_thumbnail_process | string | The thumbnail processing rules for documents. For a document, the snapshot of one of the pages in the document is used as the thumbnail. This parameter takes effect on this snapshot. Default value: image/resize,m_fill,h_128,w_128,limit_0. | image/resize,m_fill,h_128,w_128,limit_0 |