Hi,
I don’t know it has already been discussed, but I’m wondering why Krakatoa has no visible parameters in the 3dsmax’s curve editor or in the Parameter Wiring.
It would be usefull for fine tuning animation or binding some values, between Krakatoa and Frost per exemple.
Krakatoa the rendering engine does not have animatable parameters. All values are stored using a custom string-based system which does not expose anything to Trackview.
That being said, all relevant PARTICLE data channels can be specified (and animated) via MagmaFlow/KCMs, so you should be able to do pretty much anything.
Note that some shading-related parameters have to be enabled explicitly per particle to be accessible via KCMs.
FROST also supports several per-particle channels that can be set via KCMs to control the shape and material assignment, particle radius, animation timing etc.
Can you provide an example of what you are trying to accomplish?
Cheers,
Bobo
About your Lego tutorial, I would like to link the space value in Krakatoa and the particle radius in Frost to make en animation around this value, instead of animating the 2 values independently, and also control the behavior between two keys.
I did that, unfortunately there is a bug in Krakatoa where the names of the tracks are shown as “???” because we forgot to supply the “localized” strings (will be fixed in the future).
So the radius IS there, it is just tricky to know which one it is (it is the first track).
You can wire it, or use an expression or script controller, or just keyframe both with the respective values.
…and thankfully there are only three tracks so it is easy to figure out which is which 
Thank you for the hint !