# Chapter

The thumbnail for the chapter


## Fields

| Field                                | Type                                 | Required                             | Description                          | Example                              |
| ------------------------------------ | ------------------------------------ | ------------------------------------ | ------------------------------------ | ------------------------------------ |
| `Id`                                 | *long*                               | :heavy_check_mark:                   | N/A                                  | 4                                    |
| `Filter`                             | *string*                             | :heavy_check_mark:                   | N/A                                  | thumb=4                              |
| `Index`                              | *long*                               | :heavy_check_mark:                   | N/A                                  | 1                                    |
| `StartTimeOffset`                    | *long*                               | :heavy_check_mark:                   | N/A                                  | 0                                    |
| `EndTimeOffset`                      | *long*                               | :heavy_check_mark:                   | N/A                                  | 100100                               |
| `Thumb`                              | *string*                             | :heavy_check_mark:                   | N/A                                  | /library/media/46883/chapterImages/1 |