---
title: "start(with:completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterovencavityoperationalstate/start(with:completion:)"
---

# start(with:completion:)

Command Start

## Declaration

```swift
func start(with params: MTROvenCavityOperationalStateClusterStartParams?, completion: @escaping @Sendable (MTROvenCavityOperationalStateClusterOperationalCommandResponseParams?, (any Error)?) -> Void)
```

```swift
func start(with params: MTROvenCavityOperationalStateClusterStartParams?) async throws -> MTROvenCavityOperationalStateClusterOperationalCommandResponseParams
```

## Discussion

Discussion This command SHALL be supported if the device supports remotely starting the operation.