def METHOD_NAME(value, **kwargs):
    """
    Create a voltage-controlled step.
    Voltage should always be positive.
    Parameters
    ----------
    value : float
        The voltage value in V.
    **kwargs
        Any other keyword arguments are passed to the :class:`pybamm.step._Step`
        class.
    Returns
    -------
    :class:`pybamm.step._Step`
        A voltage-controlled step.
    """
    return _Step("voltage", value, **kwargs)