---
title: "buildEither(first:)"
framework: swiftui
role: symbol
role_heading: Type Method
path: "swiftui/keyframetrackcontentbuilder/buildeither(first:)"
---

# buildEither(first:)

## Declaration

```swift
static func buildEither<First, Second>(first component: First) -> KeyframeTrackContentBuilder<Value>.Conditional<Value, First, Second> where Value == First.Value, First : KeyframeTrackContent, Second : KeyframeTrackContent, First.Value == Second.Value
```

## See Also

### Building keyframe track content

- [buildArray(_:)](swiftui/keyframetrackcontentbuilder/buildarray(_:).md)
- [buildBlock()](swiftui/keyframetrackcontentbuilder/buildblock().md)
- [buildEither(second:)](swiftui/keyframetrackcontentbuilder/buildeither(second:).md)
- [buildExpression(_:)](swiftui/keyframetrackcontentbuilder/buildexpression(_:).md)
- [buildPartialBlock(accumulated:next:)](swiftui/keyframetrackcontentbuilder/buildpartialblock(accumulated:next:).md)
- [buildPartialBlock(first:)](swiftui/keyframetrackcontentbuilder/buildpartialblock(first:).md)
- [KeyframeTrackContentBuilder.Conditional](swiftui/keyframetrackcontentbuilder/conditional.md)