---
title: "BNNSGraph.Builder.ConvolutionPadding.custom(padding:)"
framework: accelerate
role: symbol
role_heading: Case
path: "accelerate/bnnsgraph/builder/convolutionpadding/custom(padding:)"
---

# BNNSGraph.Builder.ConvolutionPadding.custom(padding:)

Custom padding

## Declaration

```swift
case custom(padding: [Int])
```

## Discussion

Discussion Specify the padding array to contain twice the number of spatial dimensions. padding[2*k] specifies the amount of padding before spatial dimension k, and padding[2*k+1] specifies the amount of padding after spatial dimension k.