---
title: failSafeExpiryLengthSeconds
framework: matter
role: symbol
role_heading: Instance Property
path: matter/mtrgeneralcommissioningclusterbasiccommissioninginfo/failsafeexpirylengthseconds
---

# failSafeExpiryLengthSeconds

## Declaration

```swift
@NSCopying var failSafeExpiryLengthSeconds: NSNumber { get set }
```