Question about maxscript radio button and button comand

hello, I want to ask about the command button on the radio button. the question is
how when i select a box on the radiobutton and press the do button will create a box, and then when i select a sphere on the radiobutton pressing the do button will create a sphere.
I respect any reply, thank you

–maxscript
rollout createobj “creatingobj” width:235
(
radiobuttons radmix “Create:” pos:[8,8] width:58 height:110 labels: #(“box”, “spehere”, “cone”, “cylinder”, “geospehre”, “plane”) columns:1 offsets:#([0,0], [0,0], [0,0], [0,0], [0,0], [0,0]) align:#left
button btnmix “Do” pos:[136,16] width:94 height:104 align:#left
)
createDialog createobj