Sen2Cor over special region by accurate DEM not SRTM DEM

I am using Sen2Cor for Atmospheric and topographic correction on sentinel 2 -1C level. my study area is not in Europe and it is harsh mountainous area . so i have accurate DEM of my study area that is little of whole image. my question is that how can i use my DEM and Sen2Cor for correct my sentinel 2 image to level 2A .
note : i am using Sen2Cor 2.5.5 in command line in windows 7.
thanks for helping

Did you find any hints in these topics?

thank you very much