| Name | Description |
| Add | Method that creates a new Rib feature. The newly created RibFeature object is returned. |
| CreateDefinition | Method that creates a new RibDefinition object. The object created does not represent a rib feature but instead is a representation of the information that defines a rib feature. You can use this object as input to the RibFeatures.Add method to create the actual feature. |
| Name | Description |
| Application | Returns the top-level parent application object. When used the context of Inventor, an Application object is returned. When used in the context of Apprentice, an ApprenticeServer object is returned. |
| Count | Property that returns the number of items in this collection. |
| Item | Returns the specified object in the collection. The index can be numeric or the object name. |
| Type | Returns an ObjectTypeEnum indicating this object's type. |