---
title: "init(capacity:)"
framework: spritekit
role: symbol
role_heading: Initializer
path: "spritekit/skkeyframesequence/init(capacity:)"
---

# init(capacity:)

Initializes a new keyframe sequence.

## Declaration

```swift
convenience init(capacity numItems: Int)
```

## Parameters

- `numItems`: The initial capacity of the new sequence.

## Return Value

Return Value A newly initialized empty sequence.

## Discussion

Discussion

## See Also

### First Steps

- [Using Keyframe Sequence to effect Custom Interpolation](spritekit/using-keyframe-sequence-to-effect-custom-interpolation.md)
- [init(keyframeValues:times:)](spritekit/skkeyframesequence/init(keyframevalues:times:).md)
- [init(coder:)](spritekit/skkeyframesequence/init(coder:).md)