---
title: startTime
framework: modelio
role: symbol
role_heading: Instance Property
path: modelio/mdlasset/starttime
---

# startTime

The timestamp for the first timed data sample in the asset.

## Declaration

```swift
var startTime: TimeInterval { get set }
```

## Discussion

Discussion Timed data in an asset is clamped to the start and end times—requesting sample data for a time sample before the start time returns the sample data at the start time. If the asset does not contain timed information, this property’s value is zero.

## See Also

### Working with Timed Information

- [frameInterval](modelio/mdlasset/frameinterval.md)
- [endTime](modelio/mdlasset/endtime.md)