---
title: "lockDoor(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterdoorlock/lockdoor(completion:)"
---

# lockDoor(completion:)

## Declaration

```swift
func lockDoor(completion: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func lockDoor() async throws
```