def METHOD_NAME(p: float):
    """Sets how glossy the next :any:`blinn_phong_material` is. This only affects the specular term.
    Should be used together with :any:`light_specular` and :any:`specular`.
    :param p: exponent of the cosine term in the `Blinn-Phong Reflection Model <https://en.wikipedia.org/wiki/Blinn%E2%80%93Phong_reflection_model>`_
    """
    ensure_p3d("shininess")
    p5.renderer.style.METHOD_NAME = p