# Customizing iOS SDK Interface

To customize the Oz Liveness interface, use `OZCustomization` as shown below. For the description of customization parameters, please refer to [iOS SDK Methods and Properties](https://doc.ozforensics.com/oz-knowledge/guides/developer-guide/sdk/oz-mobile-sdk/ios-sdk-methods-and-properties#h.eocz154uib0s).

{% hint style="warning" %}
Please note: the customization methods should be called before the video capturing ones.
{% endhint %}

<pre class="language-swift"><code class="lang-swift">// customization parameters for the toolbar
let toolbarCustomization = ToolbarCustomization(
   closeButtonIcon: UIImage(named: "example"),
   closeButtonColor: .black.withAlphaComponent(0.8),
   titleText: "",
   titleFont: .systemFont(ofSize: 18, weight: .regular),
   titleColor: .gray,
   backgroundColor: .lightGray)

// customization parameters for the center hint
let centerHintCustomization = CenterHintCustomization(
   textColor: .white,
   textFont: .systemFont(ofSize: 22, weight: .regular),
   verticalPosition: 42,
   backgroundColor: UIColor.init(hexRGBA: "1C1C1E8F")!,
   hideTextBackground: false,
   backgroundCornerRadius: 14)
   
<strong>// customization parameters for the center hint animation
</strong><strong>let hintAnimationCustomization = HintAnimationCustomization(
</strong>   hideAnimation: false,
   animationIconSize: 80,
   toFrameGradientColor: UIColor.red)

// customization parameters for the frame around the user face
let faceFrameCustomization = FaceFrameCustomization(
   strokeWidth: 4,
   strokeFaceAlignedColor: .green,
   strokeFaceNotAlignedColor: .red,
   geometryType: .rect(cornerRadius: 10),
   strokePadding: 3)

// customization parameters for the SDK version text
let versionCustomization = VersionLabelCustomization(
   textFont: .systemFont(ofSize: 12, weight: .regular),
   textColor: .gray
)

// customization parameters for the background outside the frame
let backgroundCustomization = BackgroundCustomization(
   backgroundColor: .lightGray
)

// customization parameters for the antiscam protection text
let antiscamCustomization: AntiscamCustomization = AntiscamCustomization(
   customizationEnableAntiscam: false,
   customizationAntiscamTextMessage: "Face recognition",
   customizationAntiscamTextFont: UIFont.systemFont(ofSize: 15, weight: .semibold),
   customizationAntiscamTextColor: UIColor.black,
   customizationAntiscamBackgroundColor: UIColor.init(hexRGBA: "F2F2F7FF")!,
   customizationAntiscamCornerRadius: 18,
   customizationAntiscamFlashColor: UIColor.init(hexRGBA: "FF453AFF")!)

// customization parameters for your logo
// should be allowed by license
let logoCustomization = LogoCustomization(
   image: UIImage(), 
   size: CGSize(width: 100, height: 100), 
   verticalPosition: 100, 
   horizontalPosition: 50)

OZSDK.customization = Customization(toolbarCustomization: toolbarCustomization,
   antiscamCustomization: antiscamCustomization,
   centerHintCustomization: centerHintCustomization,
   hintAnimationCustomization: hintAnimationCustomization,
   faceFrameCustomization: faceFrameCustomization,
   versionCustomization: vesrionCustomization,
   backgroundCustomization: backgroundCustomization,
   logoCustomization: logoCustomization)

</code></pre>