Data Associated with Chosen Dynamic Member

Summary:

Hi - I am looking for a way to load data in a form when choosing a member that was previously (dynamically) added to a parent. Users have the option to select specific members in Form A. Once users select these members and click save, these members are dynamically added to a parent member. In Form B, we leverage this parent member in the Page dimension to restrict the allowed drop down values allowed to be chosen by the user. The issue is that when users select the member from this drop down value, they are not able to see