This information is part of the Modelica Standard Library maintained by the Modelica Association.

If a new medium model shall be introduced, copy package Modelica.Media.Interfaces.TemplateMedium to the desired location, remove the "partial" keyword from the package and provide the information that is requested in the comments of the Modelica source. A more detailed description for the different parts of the TemplateMedium package is given here:

1. Basic structure of medium interface
2. Basic definition of medium model
3. Multiple Substances
4. Specific enthalpy as function
5. Static State Selection
6. Test of medium model