Question about PermissionEx (WIX)

I am new to WIX. I use the utility: PermissionEx to create ACLs. I can successfully set permissions such as read, write, read, and execute, but I cannot find any information about installing Modify Permission.

I tried using the “Add” attribute to achieve this functionality (this seems to be the only attribute that can do what I want)

But at the same time, the following compilation error appears: "CNDL0004 error: util: PermissionEx element contains an unexpected Add attribute.

Could you help me with this. Thanks.

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My question and the answer to the question “ WiX permissions”, as I can express “Modify” in terms of DACL flags , can somehow help in terms of displaying a simple Change right to specific rights.

Looking at the document, the Append attribute definitely seems to be allowed - which version of Wix [3] are you using? With the latest version, you should be able to remove util: and Ex from your tag, since all this seems to be now fully supported. Other examples also show the Extended attribute, which is not accepted by newer versions.

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