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# dispatchDigitizerStylusEvent

Dispatches a digitizer stylus event to the system.

```
virtual kern_return_t dispatchDigitizerStylusEvent(uint64_t timeStamp, IOHIDDigitizerStylusData *stylusData);
```

## Parameters

`timeStamp`

The timestamp of the event. Use the timestamp of the report element that is the source of the event.

`stylusData`

A structure containing the stylus data. For more information, see [`IOHIDDigitizerStylusData`](/documentation/HIDDriverKit/IOHIDDigitizerStylusData).

## Return Value

<doc://com.apple.documentation/documentation/DriverKit/kIOReturnSuccess> on success, or another value if an error occurs. See <doc://com.apple.documentation/documentation/DriverKit/error-codes>.

## Discussion

Call this method from your event service to dispatch a stylus event to the system. Typically, you call this method when handling a report from the device, after you determine that the event originated from a stylus.

---

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