Pass ADP variable as page input variable

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Hi Experts,

I have two pages. The first page having an ADP variable which I want to pass to another page. For the same, created the ADP variable on another page and made it as Required under the Input Parameter section. Assigning the ADP variable while navigating from one page to another on button click.

On another page, there is a combo box element that is having ADP variable binding. 

I see that the combo box is not getting rendered however the ADP variable is having the data (see the attached screenshot).

Is this possible to pass ADP between pages?