partial function enthalpy_pTM input Modelica.SIunits.Pressure p "Pressure"; input Modelica.SIunits.Temperature T "Temperature"; input Modelica.SIunits.Mass[nC] M "Masses"; input Integer phaseLabel = PhaseLabelOverall "Phase label"; output Modelica.SIunits.Enthalpy H "Enthalpy"; end enthalpy_pTM;