This specification describes the functionality of the services provided by cash dispenser module (CDM) services under XFS, by defining the service-specific commands that can be issued, using the WFSGetInfo, WFSAsyncGetInfo, WFSExecute and WFSAsyncExecute functions. This section describes the functionality of a cash dispenser module (CDM) service that applies to both Automated Teller Safes (ATS) and Automated Teller Machines (ATM).