---
title: "buildPartialBlock(accumulated:next:)"
framework: swiftui
role: symbol
role_heading: Type Method
path: "swiftui/keyframetrackcontentbuilder/buildpartialblock(accumulated:next:)"
---

# buildPartialBlock(accumulated:next:)

## Declaration

```swift
static func buildPartialBlock(accumulated: some KeyframeTrackContent<Value>, next: some KeyframeTrackContent<Value>) -> some KeyframeTrackContent<Value>

```

## See Also

### Building keyframe track content

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