---
title: cadence
framework: vision
role: symbol
role_heading: Instance Property
path: vision/vnvideoprocessor/requestprocessingoptions/cadence
---

# cadence

The cadence the video processor maintains to process the request.

## Declaration

```swift
@NSCopying var cadence: VNVideoProcessor.Cadence? { get set }
```

## Discussion

Discussion By default, the system processes every frame of video if you don’t provide a value for this property.

## See Also

### Configuring Options

- [VNVideoProcessor.Cadence](vision/vnvideoprocessor/cadence.md)
- [VNVideoProcessor.FrameRateCadence](vision/vnvideoprocessor/frameratecadence.md)
- [VNVideoProcessor.TimeIntervalCadence](vision/vnvideoprocessor/timeintervalcadence.md)