When I package a MATLAB program with the compiler, can I configure the installer to modify system or environment variables?

I built an application that calls external functions. I compiled the app with the compiler and packaged it. When I distribute this to my customers running Windows 7, they have to add an environment variable and add a folder to the system path. Is there a way to configure the installer to do this automatically?

[Adam]

I'm not aware that you can with the installer, but I do this in the Matlab code that starts up my compiled program.