default usage

• red
• yellow
• blue
• green

checker value : []

type: radio

• AAAAA
• BBBBB

checker value :

use slot

• AAAAA
• BBBBB

checker value :

set min and max

• red
• yellow
• blue
• green

checker value : [ 3 ] (min: 1 max: 2)

set disabled

• first
• second
• third

checker value : [ 2 ]