You can review GN4 schema on the Schema view (EdAdmin4 > Application Configuration > Schema).

1.Run EdAdmin4 and then under Application Configuration, click Schema.

2.In the left pane, expand or collapse parts of schema, and select an item to review.

3.In the middle pane, review the attributes of the selected item - this is useful to know which attributes are available for editing and displaying for any given object

4.Click to select an attribut and in the right pane, review the properties of the selected attribute. This is useful to know which access classes apply on which attribute.