Pages can pass information to each other. The information that is produced by, for example, Page 1 can be passed to Page 2 for further processing. They use outputs and inputs to communicate with one another.
In our process, the Get List of items to purchase page will retrieve the items to purchase. When it successfully gets the list, it puts this information in its output, as shown in the following diagram:
The next page, Search and Add Item to Basket, receives the list as an input, as shown in the following diagram:
