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

# MPSRNNBidirectionalCombineMode.concatenate

A mode in which two sequences are concatenated along the feature channels to form a single output.

## Declaration

```swift
case concatenate
```

## See Also

### Enumeration Cases

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