p_record_ids(1).id1 := rec_1.line_id; --line_id
      p_record_ids(1).id2 := rec_1.header_id; --header_id
      p_record_ids(1).org_id := rec_1.org_id;
      oe_oe_form_cancel_line.process_cancel_quantity(p_num_of_records        => 1,
                                                     p_record_ids            => p_record_ids,
                                                     p_cancel_to_quantity    => NULL,
                                                     p_cancellation_comments => NULL,
                                                     p_reason_code           => 'NOT PROVIDED',
                                                     p_cancellation_type     => NULL,
                                                     p_mc_err_handling_flag  => fnd_api.g_miss_num,
                                                     x_msg_count             => l_msg_count,
                                                     x_msg_data              => l_msg_data,
                                                     x_return_status         => l_return_status,
                                                     x_error_count           => l_error_count);
文章题目：取消订单SOAPI
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