---
title: BNNSNDArrayFlagBackpropAccumulate
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/bnnsndarrayflagbackpropaccumulate
---

# BNNSNDArrayFlagBackpropAccumulate

A flag that indicates backpropagation adds the value of the Jacobian to the elements of this n-dimensional array.

## Declaration

```swift
var BNNSNDArrayFlagBackpropAccumulate: BNNSNDArrayFlags { get }
```

## See Also

### N-Dimensional Array Flags

- [init(_:)](accelerate/bnnsndarrayflags/init(_:).md)
- [init(rawValue:)](accelerate/bnnsndarrayflags/init(rawvalue:).md)
- [rawValue](accelerate/bnnsndarrayflags/rawvalue.md)
- [BNNSNDArrayFlagBackpropSet](accelerate/bnnsndarrayflagbackpropset.md)