---
title: setDataValue
framework: hiddriverkit
role: symbol
role_heading: Instance Method
path: hiddriverkit/iohidelement/setdatavalue
---

# setDataValue

Sets the data value of the element.

## Declaration

```occ
virtual void setDataValue(OSData *value);
```

## Parameters

- `value`: The value to set.

## Discussion

Discussion Sets the value of the element. The value will not be propagated to the device until the commit() function is called.

## See Also

### Accessing the Element’s Value

- [getValue](hiddriverkit/iohidelement/getvalue.md)
- [getDataValue](hiddriverkit/iohidelement/getdatavalue.md)
- [getScaledValue](hiddriverkit/iohidelement/getscaledvalue.md)
- [getScaledFixedValue](hiddriverkit/iohidelement/getscaledfixedvalue.md)
- [setValue](hiddriverkit/iohidelement/setvalue.md)
- [getUnit](hiddriverkit/iohidelement/getunit.md)
- [getUnitExponent](hiddriverkit/iohidelement/getunitexponent.md)
- [IOHIDValueOptions](hiddriverkit/iohidvalueoptions.md)
- [Value Options](hiddriverkit/value-options-enum.md)
- [IOHIDValueScaleType](hiddriverkit/iohidvaluescaletype.md)
- [Value Scale Types](hiddriverkit/value-scale-types-enum.md)