calibration and simulations interest rate models webinar

Hello, I am looking at the webinar http://it.mathworks.com/videos/calibration-and-simulation-of-interest-rate-models-in-matlab-90140.html?form_seq=conf588&elqsid=1475266129103&potential_use=Commercial&country_code=IT

and I would like to know if it is possible to get the hwssm.m file mentioned in the webinar.

thank you Best regardsP