---
title: MPSRNNBidirectionalCombineMode.add
framework: metalperformanceshaders
role: symbol
role_heading: Case
path: metalperformanceshaders/mpsrnnbidirectionalcombinemode/add
---

# MPSRNNBidirectionalCombineMode.add

A mode in which two sequences are summed to form a single output.

## Declaration

```swift
case add
```

## See Also

### Enumeration Cases

- [MPSRNNBidirectionalCombineMode.concatenate](metalperformanceshaders/mpsrnnbidirectionalcombinemode/concatenate.md)
- [MPSRNNBidirectionalCombineMode.none](metalperformanceshaders/mpsrnnbidirectionalcombinemode/none.md)