def METHOD_NAME(self, inputs, outputs):
    """
    Perform the interpolation at run time.
    Parameters
    ----------
    inputs : Vector
        Unscaled, dimensional input variables read via inputs[key].
    outputs : Vector
        Unscaled, dimensional output variables read via outputs[key].
    """
    for out_name, interp in self.interps.items():
        values = inputs[self.interp_to_cp[out_name]]
        interp._compute_d_dvalues = True
        interp._compute_d_dx = False
        interp.x_interp = self.options['x_interp_val']
        try:
            outputs[out_name] = interp._evaluate_spline(values)
        except ValueError as err:
            msg = "{}: Error interpolating output '{}':\n{}"
            raise ValueError(msg.format(self.msginfo, out_name, str(err)))