def METHOD_NAME(self) -> bs.Material:
    """A bascenev1.Material; collision shapes used for picking things
    up will have this material applied. To prevent an object from being
    picked up, you can add a material that disables collisions against
    things containing this material.
    """
    if self._pickup_material is None:
        self._pickup_material = bs.Material()
    return self._pickup_material