Where are the keyframe params

I am trying to hide and show stuff. I have a lovely demo star.sifz to show this (reattached). I just cant work out where to click to get into where the visibility parameter is to set for the star layer.
star.sifz (811 Bytes)

I got there. its called the param tab.

RTFW* (Read The Fabulous Wiki)
wiki.synfig.org/Doc:Getting_Started
wiki.synfig.org/Category:Tutorials

*: Reference to this post :stuck_out_tongue: