---
title: "append(_:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avassetwriterinputcaptionadaptor/append(_:)-910lp"
---

# append(_:)

Appends a caption to the writer input.

## Declaration

```swift
func append(_ caption: AVCaption) -> Bool
```

## Parameters

- `caption`: The caption that the system appends to the writer input.

## Return Value

Return Value A Boolean value that indicates whether the operation succeeded.

## See Also

### Appending captions

- [append(_:)](avfoundation/avassetwriterinputcaptionadaptor/append(_:)-4ils8.md)