---
title: "armFailSafe(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustergeneralcommissioning/armfailsafe(with:completionhandler:)"
---

# armFailSafe(with:completionHandler:)

## Declaration

```swift
func armFailSafe(with params: MTRGeneralCommissioningClusterArmFailSafeParams, completionHandler: @escaping @Sendable (MTRGeneralCommissioningClusterArmFailSafeResponseParams?, (any Error)?) -> Void)
```

```swift
func armFailSafe(with params: MTRGeneralCommissioningClusterArmFailSafeParams) async throws -> MTRGeneralCommissioningClusterArmFailSafeResponseParams
```