You can add tracks in the Cue window the usual way, either by double-clicking on the free space in the canvas or by choosing the Track < Add Track, Bus, or VCA menu item. The important part is to enable the Show on Cue Page checkbox in the newly opened dialog.
Alternatively, you can drop an existing audio or MIDI file into the empty part of the canvas to automatically create the cue track and fill the first empty trigger slot with it.
Via right-click menu. FIXME
Via Clip Properties box. FIXME
From the Clips library. FIXME
By bouncing from the timeline. FIXME
The contents of this options box partially depends on the type of data in the clip, audio or MIDI. The common settings are:
The only audio-specific setting is Gain (dB) which adjusts the output volume of a clip.
For MIDI clips, there are several specific options: