Online Eiffel Documentation
EiffelStudio

Introduction

And if you click on [S] the signature toggle button.
You will see the signature for each feature

The feature tool () gives a summary of all written-in features of the currently edited class. They are listed in a tree representation, where the nodes are the feature clauses, and the leaves are the features.

In the tool mini-toolbar, a new feature command is available, which adds a new feature in the edited class.