Pass values to modal dialog page

Summary:

I create IR ,add click Dynamic action to get values of tow columns put them in 2 hidden page items,

create a button action behavior: redirect to page in this Application, the page is a dialog model , pass values of 2 hidden to 2 hidden items in that dialog

when open dialog first time items gets values ,but when close back to IR click another row then open dialog again still maintain old values

Note: the values of dialog page items updated when execute submit page after click on the row and before open dialog

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