---
title: in_size
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnsfullyconnectedlayerparameters/in_size
---

# in_size

The size of the input vector.

## Declaration

```swift
var in_size: Int
```

## See Also

### Instance Properties

- [activation](accelerate/bnnsfullyconnectedlayerparameters/activation.md)
- [bias](accelerate/bnnsfullyconnectedlayerparameters/bias.md)
- [out_size](accelerate/bnnsfullyconnectedlayerparameters/out_size.md)
- [weights](accelerate/bnnsfullyconnectedlayerparameters/weights.md)