---
title: startTime
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturereactioneffectstate/starttime
---

# startTime

The presentation time of the first frame where the system renders the effect.

## Declaration

```swift
var startTime: CMTime { get }
```

## See Also

### Configuring the effect state

- [reactionType](avfoundation/avcapturereactioneffectstate/reactiontype.md)
- [AVCaptureReactionType](avfoundation/avcapturereactiontype.md)
- [endTime](avfoundation/avcapturereactioneffectstate/endtime.md)