---
title: UNMAP_GRANULARITY_ALIGNMENT
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb0_data/1792062-unmap_granularity_alignment
---

# UNMAP_GRANULARITY_ALIGNMENT

## Declaration

```occ
UInt32 UNMAP_GRANULARITY_ALIGNMENT;
```