---
title: failSafeExpiryTimeoutSecs
framework: matter
role: symbol
role_heading: Instance Property
path: matter/mtrcommissioningparameters/failsafeexpirytimeoutsecs
---

# failSafeExpiryTimeoutSecs

## Declaration

```swift
@NSCopying var failSafeExpiryTimeoutSecs: NSNumber? { get set }
```