---
title: "init(fieldOfView:requestDeviceFitUpdates:presentCoachingAlerts:)"
framework: arkit
role: symbol
role_heading: Initializer
path: "arkit/visualfidelityprovider/init(fieldofview:requestdevicefitupdates:presentcoachingalerts:)"
---

# init(fieldOfView:requestDeviceFitUpdates:presentCoachingAlerts:)

Create a visual fidelity data provider.

## Declaration

```swift
convenience init(fieldOfView: VisualFidelityProvider.FieldOfView? = nil, requestDeviceFitUpdates: Bool = false, presentCoachingAlerts: Bool = false)
```

## Parameters

- `fieldOfView`: Field of view specification to monitor. Use Apple-defined presets (e.g., .presetA) or .polygon(points:) for precise geometric control. Pass nil to skip field of view monitoring. Default is nil.
- `requestDeviceFitUpdates`: When true, device fit status will be included in fidelity data updates. Default is false.
- `presentCoachingAlerts`: When true, system will automatically present user notifications with coaching tips when validation errors are detected. Default is false.