Select All features to get a complete list in the Connections window of all the available attributes, events, and actions for the part you are connecting to or from.

The most-used attributes, events, and actions are presented in the menu where All features appears.

The attributes, events, and actions available depend upon the part you are working with.

Sometimes you can specify your own attribute, event, and action by selecting one of the following options from the All features list:

However, if you specify your own attribute, event, and action, you are responsible for maintaining this list on your own.