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Do you have an example of an ARM template that does that?

Hi <@UB39JFCKC>,  thank you for the follow up. I do not,  it was done initially using Terraform. However I managed to find what I believe is the right way to do it, just by creating the Datadisk outside and reference it the DataDiskArgs, but now I'm running into a new issue when updating the image reference of the OsDisk  (I just asked the question on that very same channel. "PropertyChangeNotAllowed" ) .