Hello, i’ve got a simple question. Is it possible to set maximum and minimum value of float variable in blueprint? I have energy bar set up for filling over time, but it seems to fill more than default value of 1.0

Yes indeed you can. I think Clamp will do it in blueprint. https://docs.unrealengine.com/latest/INT/BlueprintAPI/Math/Float/Clamp_Float_/index.html