Display chat message

gistfile1.txt

	@SubscribeEvent
	public void onItemUse(UseHoeEvent event){
		double x = event.entityPlayer.posX ;
		double y = event.entityPlayer.posY;
		double z = event.entityPlayer.posZ;
		for(int i = 0; i <= 30; i++){
			event.entityPlayer.worldObj.spawnParticle("portal", x,y,z, 1D, 1D,1D);					
		}
		event.entityPlayer.addChatMessage("Particles spawned!");
	}