def METHOD_NAME(self):
    return """\
    x
        :class:`plotly.graph_objects.scatter3d.projection.X`
        instance or dict with compatible properties
    y
        :class:`plotly.graph_objects.scatter3d.projection.Y`
        instance or dict with compatible properties
    z
        :class:`plotly.graph_objects.scatter3d.projection.Z`
        instance or dict with compatible properties
    """