use Modules\CashBack\Panel\Models\CashBackProducts\Saver as CashBackProductsSaver;
CashBackProductsSaver::save(
[
'id' => 0,
'fields' => [
'product_id' => 1,
'cash_back_value_percent' => 3,
'cash_back_value_sum' => 10,
'active' => 1
]
]
);