i want my sphere character launched to the air when he hits collider. how to do this?

im new to unity and coding.
so l have made a game where you use addforce to a sphere and it starts moving and the goal is to hit cubes. i want to launch the character to the air when the player hits a invisible collider to prevent the player from falling of the platform. How do i do this?

its very easy you can write the code something like this first take the object and you want to collide the player with and move it to a new layer for example layer 11

the code something like this

    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.layer == 11)
        {
            rigidbodycomponent.AddForce(Vector3.up * 20, ForceMode.VelocityChange);
        }

and you can replace the number 20 with the force you want to apply