@ Gen , wow your method works :beer:

yes I tested it, and it's working,, this is a great help here, thank you :happy::happy:

Hi,
Yes I tried as you said bulletRigidBodyShape1.initialVelocity.x= -5;
but It gave me the same error:
//Error:attributes must be of float,integer , or boolean types:

Am not sure if the...

Hi

I have a ball in maya bullet physics, I want its velocity in (x) direction to have a certain value (-5 for example) but at frame 100

I wrote an expression for that but maya gives me error...