This extension gives you the ability to modify an existing ClickOnce package. Specify your ClickOnce application and you can modify any of these properties:
Changed task execution to use powershell3, had some issues that unfortunately got released unintentionally. Hope I didn’t cause to much problems!
Set up your normal build process, then in your release task use this extension to modify the needed properties.
Since Mage is used to modify the ClickOnce package more valuable information can be found here: Mage.exe ref
Then use normal DevOps task Copy Files to deploy your ClickOnce files
The advanced feature gives you the ability to modify any part of the .application file using a JSON string specifying witch existing node and property to update.
This is an example of the required JSON structure: