---
title: "updateConversionValue(_:lockPostback:)"
framework: adattributionkit
role: symbol
role_heading: Type Method
path: "adattributionkit/postback/updateconversionvalue(_:lockpostback:)"
---

# updateConversionValue(_:lockPostback:)

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

## Declaration

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

## Parameters

- `fineConversionValue`: An integer the defines the fine conversion value.
- `lockPostback`: A Boolean value that indicates whether the system can lock the postback, reducing the system time to deliver a signal.

## Mentioned in

Understanding AdAttributionKit and SKAdNetwork interoperability Configuring an advertised app Identifying the parameters in a postback Receiving postbacks in multiple conversion windows