Dokan Save Wholesale

public function load_lot_discount_content( $post, $post_id ) {
        $_is_lot_discount       = get_post_meta( $post_id, '_is_lot_discount', true );
        $_lot_discount_quantity = get_post_meta( $post_id, '_lot_discount_quantity', true );
        $_lot_discount_amount   = get_post_meta( $post_id, '_lot_discount_amount', true );
        $is_enable_op_discount  = dokan_get_option( 'discount_edit', 'dokan_selling' );
        $is_enable_op_discount  = $is_enable_op_discount ? $is_enable_op_discount : array();

         //edited code

        $_lot_discount_quantity_two = get_post_meta($post_id,'_lot_discount_quantity_two',true);
        $_lot_discount_amount_two = get_post_meta($post_id,'_lot_discount_amount_two',true);

         $_lot_discount_quantity_three = get_post_meta($post_id,'_lot_discount_quantity_three',true);
        $_lot_discount_amount_three = get_post_meta($post_id,'_lot_discount_amount_three',true);

        $_discount_status = get_post_meta($post_id,'_discount_status',true);


        //end of edited code
        dokan_get_template_part( 'products/product-lot-discount', '', array(
            'pro'                    => true,
            'post_id'                => $post_id,
            '_is_lot_discount'       => $_is_lot_discount,
           '_lot_discount_quantity' => $_lot_discount_quantity,
            '_lot_discount_amount'   => $_lot_discount_amount,
            '_lot_discount_quantity_two' => $_lot_discount_quantity_two,
            '_lot_discount_amount_two' => $_lot_discount_amount_two,
            '_lot_discount_quantity_three' => $_lot_discount_quantity_three,
            '_lot_discount_amount_three' => $_lot_discount_amount_three,
            '_discount_status'=> $_discount_status,
            'is_enable_op_discount'  => $is_enable_op_discount,
        ) );

    }