A relationship collection is the set of Repository relationships that connect a particular source Repository object to a set of one or more target objects. All of the relationships in the collection must conform to the same relationship type.
Use the RelationshipCol class to manage a collection of relationships in the Repository database.
| Interface | Description |
| IObjectCol | Manages objects in a collection. |
| IRelationshipCol | Manages a collection of relationships. |
| ITargetObjectCol | Manages objects in a target object collection. |