NEWELEMENT 1 Ag
  V0 2.132000000000000
  kappa 5.272335996335443
  eta2 3.121827622202922
  n0 0.036913391967120
  mass 107.867999999999995
  S0 1.592823372000000
  E0 -2.960000000000000
  lambda 3.575361901457583
ENDELEMENT -1
STOP -1


(anything below the STOP line is ignored)

These are the default EMT parameters from ASAP.  
Units are based on eV, Angstrom and atomic mass units.
The mass parameter will not actually be used by the KIM calculator.