---
title: PostbackUpdate
framework: adattributionkit
role: symbol
role_heading: Structure
path: adattributionkit/postbackupdate
---

# PostbackUpdate

Values you use to update properties in a postback, such as the conversion value.

## Declaration

```swift
struct PostbackUpdate
```

## Mentioned in

Identifying conversion values with conversion tags

## Topics

### Initializers

- [init(fineConversionValue:lockPostback:coarseConversionValue:conversionTypes:)](adattributionkit/postbackupdate/init(fineconversionvalue:lockpostback:coarseconversionvalue:conversiontypes:).md)
- [init(fineConversionValue:lockPostback:conversionTag:coarseConversionValue:conversionTypes:)](adattributionkit/postbackupdate/init(fineconversionvalue:lockpostback:conversiontag:coarseconversionvalue:conversiontypes:).md)

### Instance Properties

- [coarseConversionValue](adattributionkit/postbackupdate/coarseconversionvalue.md)
- [conversionTag](adattributionkit/postbackupdate/conversiontag.md)
- [conversionTypes](adattributionkit/postbackupdate/conversiontypes.md)
- [fineConversionValue](adattributionkit/postbackupdate/fineconversionvalue.md)
- [lockPostback](adattributionkit/postbackupdate/lockpostback.md)

### Enumerations

- [PostbackUpdate.ConversionType](adattributionkit/postbackupdate/conversiontype.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Postbacks

- [Postback](adattributionkit/postback.md)
- [CoarseConversionValue](adattributionkit/coarseconversionvalue.md)