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

- [buildArray(_:)](swiftui/keyframesbuilder/buildarray(_:).md)
- [buildBlock()](swiftui/keyframesbuilder/buildblock().md)
- [buildEither(first:)](swiftui/keyframesbuilder/buildeither(first:).md)
- [buildEither(second:)](swiftui/keyframesbuilder/buildeither(second:).md)
- [buildExpression(_:)](swiftui/keyframesbuilder/buildexpression(_:).md)
- [buildFinalResult(_:)](swiftui/keyframesbuilder/buildfinalresult(_:).md)
- [buildPartialBlock(first:)](swiftui/keyframesbuilder/buildpartialblock(first:).md)