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

# downOrClose(with:completionHandler:)

## Declaration

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

```swift
func downOrClose(with params: MTRWindowCoveringClusterDownOrCloseParams?) async throws
```