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# init(delegate:queue:options:)

Initializes the central manager with specified delegate, dispatch queue, and initialization options.

```
init(delegate: (any CBCentralManagerDelegate)?, queue: dispatch_queue_t?, options: [String : Any]? = nil)
```

## Parameters

`delegate`

The delegate that receives the central events.

`queue`

The dispatch queue used to dispatch the central role events. If the value is `nil`, the central manager dispatches central role events using the main queue.

`options`

An optional dictionary that contains initialization options for a central manager. For available options, see [Central Manager Initialization Options](/documentation/CoreBluetooth/central-manager-initialization-options).

## Return Value

Returns a newly initialized central manager.

## Discussion

This method is the designated initializer for the [`CBCentralManager`](/documentation/CoreBluetooth/CBCentralManager) class.

---

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