# BackgroundFillFreeformGradient

Source: https://core.telegram.org/bots/api#backgroundfillfreeformgradient

[Documentation index](../llms.txt)

The background is a freeform gradient that rotates after every message in the chat.

| Field | Type | Description |
| --- | --- | --- |
| type | String | Type of the background fill, always “freeform\_gradient” |
| colors | Array of Integer | A list of the 3 or 4 base colors that are used to generate the freeform gradient in the RGB24 format |