---
title: activation
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslstmgatedescriptor/activation
---

# activation

The activation function that the layer applies to the output.

## Declaration

```swift
var activation: BNNSActivation
```

## See Also

### Instance Properties

- [iw_desc](accelerate/bnnslstmgatedescriptor/iw_desc.md)
- [hw_desc](accelerate/bnnslstmgatedescriptor/hw_desc.md)
- [cw_desc](accelerate/bnnslstmgatedescriptor/cw_desc.md)
- [b_desc](accelerate/bnnslstmgatedescriptor/b_desc.md)