---
title: SCSI_Sense_Data
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/scsi_sense_data
---

# SCSI_Sense_Data

## Declaration

```occ
typedef struct SCSI_Sense_Data {
    ...
} SCSI_Sense_Data;
```

## Overview

Overview The basic SCSI Request Sense data structure.

## Topics

### Instance Properties

- [ADDITIONAL_SENSE_CODE](iokit/scsi_sense_data/1587992-additional_sense_code.md)
- [ADDITIONAL_SENSE_CODE_QUALIFIER](iokit/scsi_sense_data/1587981-additional_sense_code_qualifier.md)
- [ADDITIONAL_SENSE_LENGTH](iokit/scsi_sense_data/1587974-additional_sense_length.md)
- [COMMAND_SPECIFIC_INFORMATION_1](iokit/scsi_sense_data/1587954-command_specific_information_1.md)
- [COMMAND_SPECIFIC_INFORMATION_2](iokit/scsi_sense_data/1587945-command_specific_information_2.md)
- [COMMAND_SPECIFIC_INFORMATION_3](iokit/scsi_sense_data/1587942-command_specific_information_3.md)
- [COMMAND_SPECIFIC_INFORMATION_4](iokit/scsi_sense_data/1587971-command_specific_information_4.md)
- [FIELD_REPLACEABLE_UNIT_CODE](iokit/scsi_sense_data/1587965-field_replaceable_unit_code.md)
- [INFORMATION_1](iokit/scsi_sense_data/1587953-information_1.md)
- [INFORMATION_2](iokit/scsi_sense_data/1587961-information_2.md)
- [INFORMATION_3](iokit/scsi_sense_data/1587943-information_3.md)
- [INFORMATION_4](iokit/scsi_sense_data/1587982-information_4.md)
- [SEGMENT_NUMBER](iokit/scsi_sense_data/1587987-segment_number.md)
- [SENSE_KEY](iokit/scsi_sense_data/1587938-sense_key.md)
- [SENSE_KEY_SPECIFIC_LSB](iokit/scsi_sense_data/1587951-sense_key_specific_lsb.md)
- [SENSE_KEY_SPECIFIC_MID](iokit/scsi_sense_data/1587952-sense_key_specific_mid.md)
- [SKSV_SENSE_KEY_SPECIFIC_MSB](iokit/scsi_sense_data/1587994-sksv_sense_key_specific_msb.md)
- [VALID_RESPONSE_CODE](iokit/scsi_sense_data/1587990-valid_response_code.md)