In case, when you want to build a Detail page for your user with the user info on this page: first name, last name, address, etc. You need to pass the user ID from one page to another. To do this you need to create a page value for this page and pass this ID to another page in Action.
Create page values
To create page value go to the page settings then click +Add Parameter.
In order to pass a value from one page to another, you need to use the Navigate to page action.