---
title: "upOrOpen(with:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterwindowcovering/uporopen(with:completionhandler:)"
---

# upOrOpen(with:completionHandler:)

## Declaration

```swift
func upOrOpen(with params: MTRWindowCoveringClusterUpOrOpenParams?, completionHandler: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func upOrOpen(with params: MTRWindowCoveringClusterUpOrOpenParams?) async throws
```