---
title: "centralManagerStateDidChange(_:)"
framework: Playground Bluetooth
role: symbol
role_heading: Instance Method
platforms: [xcode 10.2+, swift playgrounds 2.0+]
path: playgroundbluetooth/playgroundbluetoothcentralmanagerdelegate/3029484-centralmanagerstatedidchange
---

# centralManagerStateDidChange(_:)

Tells the delegate that the state of the central manager has changed.

## Declaration

```swift
func centralManagerStateDidChange(_ centralManager: PlaygroundBluetoothCentralManager)
```

## Parameters

- `centralManager`: The central manager providing this information.