def METHOD_NAME(self):
    super().METHOD_NAME()
    # get base structure file
    input_host_file = ref_dir / "approx_neb_wf/spinel_MnO2_POSCAR"
    self.host_struct = Structure.from_file(input_host_file)
    # get fake vasp powerup inputs
    f_dir = ref_dir / "approx_neb_wf/"
    ref_dirs = {
        "MnO2 host": f_dir / "host",
        "end point: insert Li 0": f_dir / "ep0",
        "end point: insert Li 1": f_dir / "ep1",
        "image 0+1: 0": f_dir / "im0",
        "image 0+1: 1": f_dir / "im1",
        "image 0+1: 2": f_dir / "im2",
    }
    powerup_dicts = [
        {
            "powerup_name": "atomate.vasp.powerups.use_fake_vasp",
            "kwargs": {
                "ref_dirs": ref_dirs,
                "check_incar": False,
                "check_kpoints": False,
                "check_poscar": True,
                "check_potcar": False,
                "clear_inputs": False,
            },
        },
        {"powerup_name": "atomate.vasp.powerups.use_potcar_spec", "kwargs": {}},
    ]
    # get workflow
    self.wf = get_aneb_wf(
        structure=self.host_struct,
        working_ion="Li",
        insert_coords=[[0, 0, 0.5], [0.5, 0.5, 0]],
        insert_coords_combinations=["0+1"],
        n_images=3,
        powerup_dicts=powerup_dicts,
    )
    self.wf_id = self.wf.fws[0].tasks[-1]["approx_neb_wf_uuid"]