---
title: volumeAvailableCapacityForOpportunisticUsage
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/urlresourcevalues/volumeavailablecapacityforopportunisticusage
---

# volumeAvailableCapacityForOpportunisticUsage

The volume’s available capacity for storing nonessential resources, in bytes.

## Declaration

```swift
var volumeAvailableCapacityForOpportunisticUsage: Int64? { get }
```

## See Also

### Volume capacity values

- [volumeAvailableCapacity](foundation/urlresourcevalues/volumeavailablecapacity.md)
- [volumeAvailableCapacityForImportantUsage](foundation/urlresourcevalues/volumeavailablecapacityforimportantusage.md)
- [volumeTotalCapacity](foundation/urlresourcevalues/volumetotalcapacity.md)