---
title: scanSpeed
framework: AVKit
role: symbol
role_heading: Instance Property
path: avkit/avinterfaceplaybackcontrollable/scanspeed
---

# scanSpeed

The scanning speed multiplier used during fast-forward or rewind operations. A positive value indicates forward scanning, negative indicates backward scanning. Must be key-value observable.

## Declaration

```occ
@property (nonatomic, readwrite) float scanSpeed;
```