---
title: IODMACommandSpecification
framework: Kernel
role: symbol
platforms: [driverkit 20.0+, macOS 11.0+]
path: kernel/iodmacommandspecification
---

# IODMACommandSpecification

## Declaration

```occ
struct IODMACommandSpecification {
    ...
};
```

## Topics

### Instance Properties

- [maxAddressBits](kernel/iodmacommandspecification/3645722-maxaddressbits.md)
- [options](kernel/iodmacommandspecification/3645723-options.md)