effect variable is inside the creation code and just set to index=1 or index=2 to connect the pad and the destination

//telepart script
function telepart(){
    Sname = part_system_create();

    particle1 = part_type_create();
    part_type_sprite(particle1,spr_p1_idle,0,0,0);
    part_type_size(particle1,1,1,0,0);
    part_type_scale(particle1,1,1);
    part_type_alpha3(particle1,1,0.50,0.10);
    part_type_speed(particle1,0,0,0,0);
    part_type_direction(particle1,0,0,0,0);
    part_type_gravity(particle1,0,270);
    part_type_orientation(particle1,0,0,0,0,1);
    part_type_blend(particle1,0);
    part_type_life(particle1,60,60);
}

//obj_effect.create

telepart();
target =noone;

//obj_effect.step
part_particles_create(Sname, x, y, particle1, 1);

x+= (target.x -x)*0.2;
y+=((target.y-2/*-32*/)-y)*0.2;

if(distance_to_point(target.x,target.y-32)<10){
    instance_destroy();
    //obj_player1.x = target.x;
    //obj_player1.y = target.y;
}


//inside player object
//portal system
var pad, dest;
pad=instance_place(x,y,obj_pad_portal);
if(place_meeting(x, y, pad))
{
    if(keyboard_check_pressed(ord("E")))
    {
        for(i=0;i<instance_number(obj_dest_portal);i++)
        {
            dest = instance_find(obj_dest_portal, i);
            if(pad.index==dest.index)
            {

                effect = instance_create_depth(x,y,-1,obj_effect);
                effect.target=dest;
                x=dest.x;
                y=dest.y;
                //visible = false;
                break;
            }
        }
    }
}