---
title: hidden_desc
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslstmdatadescriptor/hidden_desc
---

# hidden_desc

The descriptor of the hidden input-output.

## Declaration

```swift
var hidden_desc: BNNSNDArrayDescriptor
```

## See Also

### Instance Properties

- [data_desc](accelerate/bnnslstmdatadescriptor/data_desc.md)
- [cell_state_desc](accelerate/bnnslstmdatadescriptor/cell_state_desc.md)