---
title: temporalBottomFirst
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail/temporalbottomfirst
---

# temporalBottomFirst

## Declaration

```swift
static let temporalBottomFirst: CMFormatDescription.Extensions.Value.FieldDetail
```

## See Also

### Field Details

- [spatialFirstLineEarly](coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail/spatialfirstlineearly.md)
- [spatialFirstLineLate](coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail/spatialfirstlinelate.md)
- [temporalTopFirst](coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail/temporaltopfirst.md)