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# AllowPackages

An array of Team IDs that the system uses to determine whether an installer package, signed by one of the specified Team IDs, can update an app’s bundle.

## See Also

[`NSUpdateSecurityPolicy`](/documentation/BundleResources/Information-Property-List/NSUpdateSecurityPolicy)

A dictionary that identifies which apps or installer packages the operating system allows to write to the app’s bundle.


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