---
title: NSExtensionActivationUsesStrictMatching
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionactivationrule/nsextensionactivationusesstrictmatching
---

# NSExtensionActivationUsesStrictMatching

A Boolean value indicating whether strict or fuzzy matching is used when determining the asset types an app extension handles.

## See Also

### Configuration

- [NSExtensionActivationDictionaryVersion](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionactivationrule/nsextensionactivationdictionaryversion.md)