---
title: volumeIdentifier
framework: fskit
role: symbol
role_heading: Instance Property
path: fskit/fscontaineridentifier/volumeidentifier
---

# volumeIdentifier

The volume identifier associated with the container.

## Declaration

```swift
@NSCopying var volumeIdentifier: FSVolume.Identifier { get }
```

## Discussion

Discussion For unary file systems, the volume identifier is the same as the container identifier.