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# CBCentralManagerScanOptionSolicitedServiceUUIDsKey

An array of service UUIDs that you want to scan for.

```
let CBCentralManagerScanOptionSolicitedServiceUUIDsKey: String
```

## Discussion

The array is an instance of <doc://com.apple.documentation/documentation/Foundation/NSArray>, and uses [`CBUUID`](/documentation/CoreBluetooth/CBUUID) objects to represent the UUIDs to scan for.

Specifying this scan option causes the central manager to also scan for peripherals soliciting any of the services contained in the array.

---

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