This collection class is used to manipulate a group of diagrams or definitions that are components of a special property type listed in the table.

Forms a one-to-one or one-to-many relationship between the current definition type and the definition type named after the ListOf setting for all items in the list property.

Forms a one-to-one relationship between the current definition type and the definition type named after the OneOf setting for the item that exists in the property.