How to write script to apply character style?

Hi,

I'm on a Macbook pro and without a number pad so I can't assign a shortcut for the character styles. I did hear of a roundabout solution where you can assign a shortcut to a script which applies the character styles. Can anyone write this script?

My character style is called 'Features bold'.

I'm new to scripting, sorry if this is a dumb question.

Cheers