Wix: How to set permissions for folder and all sub folders

Question

I know how to set the permissions for a folder:

Answer 1

I solved: different PermissionEx are defined in Wix and Util schema (Wix PermissionEx and Util Extension PermissionEx)

I used the Util version:

• Add a reference to WixUtilExtension assembly
• Add the UtilExtension namespace to the Wix tag:

• Specify the Util PermissionEx version: