dialog new_table {
title "Canales"
size -1 -1 298 28
option dbu
combo 1, 8 8 80 50, size drop
button "Join", 2, 92 7 37 12, flat
button "Manager", 3, 133 7 37 12, flat
}

on *:dialog:new_table:init:*: {
did -ra $dname 1 [Canales]
did -a $dname 1 #Chaco-corrientes
did -a $dname 1 #ParanaChat
did -a $dname 1 #Daniel
did -a $dname 1 #Opers
did -a $dname 1 #Formosa
did -a $dname 1 #Mexico
}

how for example can i choice the chanel chaco-corrientes?
i dont know the command ...

thnx for the help