---
title: "cameraInertiaWillStart(for:)"
framework: scenekit
role: symbol
role_heading: Instance Method
path: "scenekit/scncameracontrollerdelegate/camerainertiawillstart(for:)"
---

# cameraInertiaWillStart(for:)

## Declaration

```swift
optional func cameraInertiaWillStart(for cameraController: SCNCameraController)
```