def METHOD_NAME(self):
    inputs = self.inputs
    outputs = self.outputs
    color_ramp_node_name = self._get_color_ramp_node_name()
    evaluate = get_evaluator(node_group_name, color_ramp_node_name)
    # no outputs, end early.
    if not outputs['Color'].is_linked:
        return
    result = []
    floats_in = inputs[0].sv_get(default=[[]], deepcopy=False)
    desired_levels = [2]
    result = recurse_f_level_control([floats_in], [evaluate, self.use_alpha], color_ramp_mapper, None, desired_levels)
    self.outputs[0].sv_set(result)