[wix-users] How to add wix extension when harvesting with HeatDirectory

Tigran Galoyan tigran.galoyan at gmail.com
Thu Apr 23 14:41:57 PDT 2020

Hi Community,

I can see that when running heat.exe at command line I can pass -ext
<wixextension>, and include e.g. WixFirewallExtension (
However, I do my harvesting using the HeatDirectory task element in my
wixproj file (
With the latter, unfortunately, I cannot see a way to add an extension.

How can I achieve this with the HeatDirectory element? Thanks in advance.


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