This tech doc explains how to get the content pack xml file.
Release : 17.3
Component : CA SERVICE MANAGEMENT PROCESS AUTOMATION
Follow these steps
--install Service Desk
--go to Service-Desk-install-folder\samples\CA_PAM_Workflows and unzip file CASDM129_CAWF_Convert_CAProcAuto.zip and the content pack xml file can be found in the unzipped folder
--Though the file name carries 129 it is intended for 17.3
--install DVD readme file may give confusing info on where the content pack xml file is