AnimationTree

// 
var state_machine = @AnimationTree.Get("parameters/StateMachine/playback").As<AnimationNodeStateMachinePlayback>();
// 
state_machine.Travel("state_name");

@AnimationTree.Set("parameters/OneShot/request", (int)AnimationNodeOneShot.OneShotRequest.Fire);

@AnimationTree.Set("parameters/Transition/transition_request", "state_name");

@AnimationTree.Set("parameters/TimeScale/scale", scale_ratio);