Rigidbody velocity forward is Camera forward

Questions & Answers
1

HI, how can i make the Rigitbody forward is the forward of the Camera(child of the Rigitbody)

this work but Rig have his own forward

playerRig.velocity = new Vector3(Sideward, 0, Forward);

error

playerRig.velocity = playerCam(Sideward, 0, Forward);                                                    
playerRig.velocity = new Vector3(playerCam.transform.right, 0, playerCam.transform.forward);
2

ok never mind ^^

playerRig.velocity = playerCam.transform.TransformDirection(Sideward, 0, Forward);