Custom button to assist

[Farang]

I'm trying to create a new button to assist F2 from my group

Is there an easy command for this, so that I dont have to put the players name in each time?
/assist {playername}

I was thinking something along the lines of

/assist F2 {cant figure out the F2 part}

or

/target F2 {cant figure out the F2 part}
/assist

[mcoy]

Map the key to select the "F2" person from F2 to the hotkey key?

I put a ? because I don't know if that'll work...

-Mcoy