In CAS (Content Analysis System) 1.3.x you are able to display the File Reputation Score in Customized Alert Messages using the variable %WL_SCORE but in CAS 2.x the variable is no longer functioning.
%WL_SCORE has been deprecated because of feature changes in CAS 2.x
In CAS 2.x you can replace the variable with %FRS_SCORE to still display the file reputation score in Customized Alert Messages.