How to make an arrow with origin and target in the same object

Question

I'm drawing an entity relationship diagram where I have to represent a relationship between the same object. I wasn't able to connect the arrow with the same origin object.

Something like this:

Thank you

Answer 1

Choose the "Polyline with Target Arrow" template from the "Edge Types" palette section, drop it on the desired node, drag the mouse out of the node, drag it back into the node, and finally click on the node to end edge creation.