This feature is only available for models checked in in the repository.
The external dependencies retrieved from the repository reflect the state of a model as it is stored in the repository. They are likely to be out of date if the local model has been modified, or not yet checked in.
For example, the model "draft_design" contains entity Customer. You create an external shortcut of Customer in model "design1". In model "design1", you create entity Sales and create a relationship between the shortcut of Customer and Sales.
You check in both CDM and make sure the Check Out Dependencies check box is selected in the Check in dialog box.
When you open the Dependencies tab of entity Customer in the target model, the following information appear to indicate that the entity has a shortcut and this shortcut is used by a relationship in another model: