DS CWA 16374-13:2012 Extensions For Financial Services (Xfs) Interface Specification Release 3.20 - Part 13: Alarm Device Class Interface Programmer's Reference Explains the functionality of the services provided by Alarms (ALM) under XFS, by defining the service-specific commands that can be issued, using the WFSGetInfo, WFSAsyncGetInfo, WFSExecute and WFSAs