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# ABMultiValueReplaceLabelAtIndex(_:_:_:)

Replaces a label in a multivalue property with another label.

```
func ABMultiValueReplaceLabelAtIndex(_ multiValue: ABMutableMultiValue!, _ label: CFString!, _ index: CFIndex) -> Bool
```

## Parameters

`multiValue`

The multivalue property containing the label to replace.

`label`

The new label.

`index`

The location, in `multiValue`, of the label to replace.

    Raises an exception when out of bounds.

## Return Value

`true` when successful, `false` otherwise.

## Discussion

This function takes an index. If you have an identifier, use the [`ABMultiValueGetIndexForIdentifier(_:_:)`](/documentation/AddressBook/ABMultiValueGetIndexForIdentifier(_:_:)) function to get the corresponding index.

---

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