function fugacity_pTN extends MultiPhaseMixture.Icons.ExternalFunction; input Modelica.SIunits.Pressure p "Pressure"; input Modelica.SIunits.Temperature T "Modelica.SIunits.Temperature"; input Modelica.SIunits.AmountOfSubstance[nC] N_1ph "Molar substance for the specified phase"; input Integer phaseLabel = PhaseLabelLiquid "Phase label"; output Modelica.SIunits.Pressure f[nC] "Fugacity"; end fugacity_pTN;