There are some properties whose values can be their inner elements. Specifying such property value requires to create a new element. The element, which has the property with the inner element assigned as its value, becomes the owner of this inner element.
Examples of properties whose values are their inner elements: Owned Comment, Owned Attribute.
To create an inner element as a property value
To remove an inner element from a property value list
The element is removed from both the property value list and the model. |