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Script setting a callback.

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I've been looking thought the docs, but am unsure if what I would like to do is possible... I would like a script file something like below, where SetCallback sets a call back function in response to a specific keycode, but specifying what script fn to call.
callBack1()
{
//gets called on esc. key down
}

main()
{
//stuff

SetCallback(callBack1, VK_ESC)

//stuff

}

then in my main kerenel, have a std::map setup something like: +------------+----------+ | VK code | fn | +-----------------------+ | VK_ESC | callBack1| | ... | ... | +-----------------------+ so I can do:
//can't remember what VK's come as 
OnKeyDown(DWORD VK_CODE)
{
      keyMap.Get(VK_CODE).second(); //calls the callBack1 in the script file.
}

Can this be done with angle script?

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Of course.

AngelScript doesn't yet support function pointers to AngelScript code, but the name of the function to call would work just as well.

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