---
title: GetIOMemoryDescriptor
framework: audiodriverkit
role: symbol
role_heading: Instance Method
path: audiodriverkit/iouseraudiostream/getiomemorydescriptor
---

# GetIOMemoryDescriptor

Gets the memory descriptor the stream uses for I/O.

## Declaration

```occ
OSSharedPtr<IOMemoryDescriptor> GetIOMemoryDescriptor();
```

## Discussion

Discussion This is the value provided to the stream’s initializer, or updated later by a call to SetIOMemoryDescriptor.

## See Also

### Working with Memory Descriptors

- [SetIOMemoryDescriptor](audiodriverkit/iouseraudiostream/setiomemorydescriptor.md)