---
title: mutableContainers
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/propertylistserialization/mutabilityoptions/mutablecontainers
---

# mutableContainers

Causes the returned property list to have mutable containers but immutable leaves.

## Declaration

```swift
static var mutableContainers: PropertyListSerialization.MutabilityOptions { get }
```

## See Also

### Constants

- [mutableContainersAndLeaves](foundation/propertylistserialization/mutabilityoptions/mutablecontainersandleaves.md)