For Hyland for Workday HCM to function, you need to download the Workday Extend Package for HCM built by Hyland.
An application bundle of Workday Extend Package for HCM artifacts is available with your customer support administrator. This application bundle contains all relevant artifacts.
Retrive the bundle of Workday Extend Package for HCM artifacts from your customer support administrator and copy the .zip files that are downloaded to a folder called Extend-Artifacts. You need to install the Workday Extend Package for HCM in your Workday Extend tenant by importing the .zip file.
For details, refer to the Workday Extend documentation, or reach out to the Services team in Hyland to download and install the artifacts.