-- 2 easy questions --

Q #1 :
I write this mel in maya :


window;
columnLayout ;
attrFieldSliderGrp -label "Test"
-min -20.0 -max 20.0
-at test.rx;
showWindow;


how can I do Stuff to 'test' in the GraphEditor ?

Q #2 :
how can I make one Slider to control on 2 or more attribute ?

thx