# ThumbnailGeneratorPreset

## Properties

### baseFilename  
**Type:** string (Optional)  
**Length:** <= 64 characters  
**Pattern:** ^[A-Za-z0-9_-]+$  
**Description:** Used to create the output filename as `{BaseFilename}_{Label}{Index}{Extension}`. The default is the name of the input file. If the name of the input file is too long, then it will be truncated to 64 characters.

### thumbnails  
**Type:** list of objects ([ThumbnailGeneratorConfiguration](https://docs.mediakind.com/api-reference/media-api/schemas/thumbnailgeneratorconfiguration))  
**Required:** 1+ items  
**Description:** The set of thumbnails to be produced.

### format  
**Type:** enum (Required)  
**Allowed values:** Jpeg, Png  
**Description:** The output format for the thumbnails.

### height  
**Type:** string (Optional)  
**Description:** Either an integer size in pixels or a percentage of the input resolution. If either width/height is defined as a percentage, the other dimension must be the same percentage.

### label  
**Type:** string (Optional)  
**Length:** <= 64 characters  
**Pattern:** ^[A-Za-z0-9_-]+$  
**Description:** Used to create the output filename as `{BaseFilename}_{Label}{Index}{Extension}`. When generating sprites, the output vtt file will be named `{BaseFilename}_{Label}.vtt`.

### quality  
**Type:** integer (Optional)  
**Range:** 0 to 100  
**Default:** 70  
**Description:** The compression quality for JPEG images, between 0-100, default: 70.

### range  
**Type:** string (Optional)  
**Default:** 1  
**Description:** Either an ISO8601 duration, a percentage of the asset duration, or the value '1'. The default is '1', a single thumbnail is produced.

### spriteColumn  
**Type:** integer (Optional)  
**Range:** 1 to 10  
**Description:** The number of columns used if you want a thumbnail sprite image. Default: Single image output files.

### start  
**Type:** string (Optional)  
**Default:** PT10S  
**Description:** Either an ISO8601 duration or a percentage of the asset duration. Default: PT10S.

### step  
**Type:** string (Optional)  
**Description:** The intervals at which thumbnails are generated. Either an ISO8601 duration or a percentage of the asset duration.

### width  
**Type:** string (Optional)  
**Description:** Either an integer size in pixels or a percentage of the input resolution. If only one of width/height is present, the aspect ratio from the source is preserved.