I know my hotkey is F1. I know what I want to do, but I don't know how to do it. I am not good at this stuff.

I am VERY new to AHK, and am trying to ease my gaming in GW2. My problem is, my joints in my fingers are going, so I need to minimize the use of them. Is there a way to map both Left and Right mouse buttons to press at the same time if I press the F1 key? And have them stay down until I release the ...