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# com.apple.developer.driverkit.userclient-access

An array of strings that represent macOS driver extensions that may communicate with other DriverKit services.

## Discussion

Add this entitlement to your app that opens the <doc://com.apple.documentation/documentation/DriverKit/IOUserClient>. Set its value to an array of bundle IDs of driver extensions that you want to use with DriverKit. If you have only one bundle ID, you can use either a single string or a one-element array.

On iPadOS, use the [`Communicates with Drivers`](/documentation/BundleResources/Entitlements/com.apple.developer.driverkit.communicates-with-drivers) entitlement instead.

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