---
title: SPCModeParameterHeader6
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/spcmodeparameterheader6
---

# SPCModeParameterHeader6

## Declaration

```occ
typedef struct SPCModeParameterHeader6 {
    ...
} SPCModeParameterHeader6;
```

## Overview

Overview Mode Parameter Header for the MODE_SENSE_6 command.

## Topics

### Instance Properties

- [BLOCK_DESCRIPTOR_LENGTH](iokit/spcmodeparameterheader6/1555426-block_descriptor_length.md)
- [DEVICE_SPECIFIC_PARAMETER](iokit/spcmodeparameterheader6/1555504-device_specific_parameter.md)
- [MEDIUM_TYPE](iokit/spcmodeparameterheader6/1555522-medium_type.md)
- [MODE_DATA_LENGTH](iokit/spcmodeparameterheader6/1555519-mode_data_length.md)