Using Inspector

Smalltalk inspector is implemented as separate view and there is multiple ways how to open it:
Smalltalk Inspector

Inspected objects are organized in tree, so you can follow different relations.
At the bottom of Inspector there is evaluation panel, which can be used for sending messages to inspected objects (self, super works according to object selected in tree).
It is possible to choose inspected object with using Find Object with Oop action, or list recently inspected objects.