Undefined function 'importGeometry' for input arguments of type 'char'?

I'm gussing the function is not built in? How can I add the file for this function to matlab? I'm using R2014a.

Answer 1

[Walter Roberson]

https://www.mathworks.com/help/pde/ug/pde.pdemodel.importgeometry.html

PDE toolbox R2015a and later