how to get selected item from a Array set attribute using checkbox

Summary:

Hi,

I have created Array Set attribute in commerce page where it is populated with checkbox , item name and item price.

whenever a user select multiple item using checkbox, i need to get the values of select item name and item price.

Need help with sample bml to achieve this feature.

Checkbox

Item Name

Item Price

Unselected

Item 1

1000

Unselected

Item 2

2000

selected

Item 3

3000

selected

Item 4

4000

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In the above ex , Item 3 & 4 are selected and i need to get Item 3 and 4 value with items Price.