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# IOProviderClass

The name of the class that your driver expects to provide the implementation for its provider object.

## Discussion

The value of this key is a string that contains the name of an [`IOService`](https://developer.apple.com/documentation/kernel/ioservice-1g) subclass. This class corresponds to the provider object that the system passes to your <doc://com.apple.documentation/documentation/DriverKit/IOService> subclass at startup. (For a kernel extension, the system passes the provider object to the <doc://com.apple.documentation/documentation/kernel/ioservice/1532606-start> method of your [`IOService`](https://developer.apple.com/documentation/kernel/ioservice-1g) subclass. For a DriverKit extension, the system passes it to the <doc://com.apple.documentation/documentation/DriverKit/IOService/Start> method of your <doc://com.apple.documentation/documentation/DriverKit/IOService> subclass.) Use the provider object in your driver you receive to communicate with the underlying device.

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