---
title: NSHealthUpdateUsageDescription
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nshealthupdateusagedescription
---

# NSHealthUpdateUsageDescription

A message to the user that explains why the app requested permission to save samples to the HealthKit store.

## Discussion

Discussion important: This key is required if your app uses APIs that update the user’s health data.

## See Also

### Health

- [Setting up HealthKit](healthkit/setting-up-healthkit.md)
- [NSHealthClinicalHealthRecordsShareUsageDescription](bundleresources/information-property-list/nshealthclinicalhealthrecordsshareusagedescription.md)
- [NSHealthShareUsageDescription](bundleresources/information-property-list/nshealthshareusagedescription.md)
- [NSHealthRequiredReadAuthorizationTypeIdentifiers](bundleresources/information-property-list/nshealthrequiredreadauthorizationtypeidentifiers.md)