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# FFCreateDevice(_:_:)

Creates a new API device object from an OS object in preparation to use the device for force feedback.

```
func FFCreateDevice(_ hidDevice: io_service_t, _ pDeviceReference: UnsafeMutablePointer<FFDeviceObjectReference?>!) -> HRESULT
```

## Parameters

`hidDevice`

Pointer to a HID device object.

`pDeviceReference`

Address of a variable to receive an opaque reference handle to a new device object. This reference can be used in subsequent calls to FFDevice* functions

## Return Value

If the method succeeds, and the device supports FF, the return value is FF_OK. If the method fails, the return value can be one of the following error values:

## Discussion

FFERR_INVALIDPARAM

FFERR_NOINTERFACE

FFERR_OUTOFMEMORY

FFERR_INTERNAL

## Discussion

When you are finished with the device, FFReleaseDevice must be called on the reference received in this function to dispose of the API device object.

---

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