---
title: Customization API
canonical: https://developer.unico.io/dual-api/developers/sdks-and-tools/ios/api-reference/customization-api
locale: en
generated_by: markdown-export
---

## AcessoBioThemeDelegate

| Method | Description |
|---|---|
| `getColorBackground()` | Background color of the silhouette |
| `getColorBackgroundBottomDocument()` | Background color of the document capture box |
| `getColorBoxMessage()` | Background color of the message |
| `getColorIconTakePictureButton()` | Icon color of the manual photo capture button |
| `getColorSilhouetteSuccess()` | Silhouette color when capture succeeds |
| `getColorTextBottomDocument()` | Text color of the document capture box |
| `getColorTextMessage()` | Text color of the message |
| `getCancelButtonIconColor()` *(optional)* | Cancel icon color for the Liveness camera with interaction |

:::warning[Color value types]
Supported color types are **Color Resource** (`R.color.your_color`) or **hexadecimal String** (`"#FF0000"`).
:::

## Locale

| Method | Type | Description |
|---|---|---|
| `setLocale(_ locale: LocaleTypes)` | `LocaleTypes` | Sets the capture screen language |

Refer to [API Reference > Enums](/developers/sdks-and-tools/ios/api-reference/enums) for the full list of supported `LocaleTypes` values.