---
title: next()
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: createmlcomponents/augmentationsequence/batchedsequence/asynciterator/next()
---

# next()

Produces the next batch.

## Declaration

```swift
mutating func next() async throws -> [AugmentationSequence<Base, RandomTransformer, RandomNumberGenerator, Annotation>.Element]?
```