endless runner make character jump

hi,I would like to know how can I make character jump in an endless runner genre?

public int jumpForce= 50;

 private bool canJump;
 private RigidBody rb;
 
 void Start()
{
     rb = GetComponent<RigidBody>();
 }
 
 void FixedUpdate()
{
     if(canJump){
         canJump = false;
         rb.addForce(0, jumpForce, 0, ForceMode.Impulse);
     }
 }
 
 void Update()
{
     if(Input.GetKeyUp(Keycode.SPACE)){
         canJump = true;
     }
 }