[Rwp] How to left through right an item in ping pong?

[ROBIN Alexis]

Hello all,

Do you knwo a way to modify the pan of an item in a kind of ping pong? I 
want play an item going trhough the left, then coming back to the right 
and again going to the left etc...
By the way with OSARA, do you suceed to modify the pan and the volume of 
an item?

Thank you,

    Alexis ROBIN