---
title: length
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpsvectordescriptor/length
---

# length

## Declaration

```swift
var length: Int { get set }
```

## See Also

### Instance Properties

- [dataType](metalperformanceshaders/mpsvectordescriptor/datatype.md)
- [vectorBytes](metalperformanceshaders/mpsvectordescriptor/vectorbytes.md)
- [vectors](metalperformanceshaders/mpsvectordescriptor/vectors.md)