# lockWindow

A SKAdNetwork API parameter that can finalize conversion updates for a measurement window earlier.

A SKAdNetwork API parameter that can finalize conversion updates for a measurement window earlier.

## An example

An app locks a window after it has reported the conversion value it wants that window to carry.

## Why it matters

Locking stops further updates for that window; it does not guarantee immediate postback delivery. AdAttributionKit uses related locking APIs with different names.

## Reference

[Apple conversion window documentation](https://developer.apple.com/documentation/storekit/skadnetwork).


## Related terms
- [AdAttributionKit](https://jolts.xyz/resources/glossary/adattributionkit)
- [Coarse conversion value](https://jolts.xyz/resources/glossary/coarse-conversion-value)
- [SKAdNetwork (SKAN)](https://jolts.xyz/resources/glossary/skadnetwork)

## Next step

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