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# updateConversionValue(_:coarseConversionValue:lockPostback:)

Updates the conversion value with the provided fine and coarse conversion values, and optionally locks the postback, reducing the amount of time the system needs to deliver a signal.

```
static func updateConversionValue(_ fineConversionValue: Int, coarseConversionValue: CoarseConversionValue, lockPostback: Bool) async throws
```

## Parameters

`fineConversionValue`

An integer that defines the fine conversion value.

`coarseConversionValue`

One of the [`CoarseConversionValue`](/documentation/AdAttributionKit/CoarseConversionValue) values.

`lockPostback`

A Boolean value that indicates whether the system can lock the postback, reducing system time to deliver a signal.

---

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