Hello thanx for the reply So I have modul8 2.6 for the other command as /md8key/ctrl_layer_alpha/1 $1 it works the log is : RECEIVE : [['/md8key/ctrl_layer_alpha/1', ',f', 0.32727271318435669]] SEND ['/md8key/ctrl_layer_alpha/1', ',f', 0.32727271318435669] SEND ['/md8key/ctrl_layer_alpha/-1', ',fiff...