---
title: reduce_func
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslayerparametersreduction/reduce_func
---

# reduce_func

The variable that specifies the reduction function.

## Declaration

```swift
var reduce_func: BNNSReduceFunction
```

## See Also

### Instance Properties

- [i_desc](accelerate/bnnslayerparametersreduction/i_desc.md)
- [o_desc](accelerate/bnnslayerparametersreduction/o_desc.md)
- [w_desc](accelerate/bnnslayerparametersreduction/w_desc.md)
- [epsilon](accelerate/bnnslayerparametersreduction/epsilon.md)