---
title: "openCommissioningWindow(withDiscriminator:duration:queue:completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbasedevice/opencommissioningwindow(withdiscriminator:duration:queue:completion:)"
---

# openCommissioningWindow(withDiscriminator:duration:queue:completion:)

## Declaration

```swift
func openCommissioningWindow(withDiscriminator discriminator: NSNumber, duration: NSNumber, queue: dispatch_queue_t, completion: @escaping @Sendable (MTRSetupPayload?, (any Error)?) -> Void)
```

```swift
func openCommissioningWindow(withDiscriminator discriminator: NSNumber, duration: NSNumber, queue: dispatch_queue_t) async throws -> MTRSetupPayload
```