OnParticleCollision doesn´t work

Hi Guys,

I made a fire particle system. I want the fireparticles are able to recognize the collision and then set the gameobject that is hit by the particles on fire. I used the void OnParticleCollision but it doesn´t work. Here is my script attached to the Gameobject and to the particle itself

 using UnityEngine;
 using System.Collections;
 
 public class hallo : MonoBehaviour {
 
     // Use this for initialization
     void Start () {
     
     }
     
     // Update is called once per frame
     void Update () {
     
     }
 
 
     void OnParticleCollision(GameObject other) {
         Rigidbody body = other.rigidbody;
         if (body) {
 
             Debug.Log ( " HuhuPartikel!" ) ; 
 
         }
         
         
     }
 
 
 
 }
 

I added the component World particle collider and checked the send collision mes...