Something like below should work:
triggers:
"keyup" : saveFunction,
saveFunction = function(e){
if (e.keyCode ==32) {
document:save;
}
}
Normal jQuery :
$("#test").keyup(function(e) {
var code = (e.keyCode ? e.keyCode : e.which);
if (code==32) {
//Your functions
}
});
Hope you get the idea..