Modern Deploying a virtual master page
Overview
This article describes how to deploy a modern virtual master page using the site deployer.
Data
The master page file is a template and so can be deployed via the content directory. The file would be located at:
envdir/sitedefinitions/assetdirectory/Branding/Content/Templates/MasterPage/VirtualPageMaster.html
Options
To deploy the file, you must use the options value
contentfiles
Use the central site (if applicable) as the spurl.