Hi,
Yes, the plugin supports per-instance custom data, you'll first want to set their number via:
i@unreal_num_custom_floats = X;
then set the values with
f@unreal_per_instance_custom_data0 = YYY;
...
f@unreal_per_instance_custom_dataX = ZZZ;
See
the docs [
www.sidefx.com].