The timestamp for the first timed data sample in the transform component.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
- Model I/O
Timed data is clamped to the minimum and maximum times. If you request transform data for a time sample before the minimum time, Model I/O returns the transform at the minimum time.
If the transform component does not contain timed information, this property’s value is zero.