---
title: "flashChapterNumber(_:chapterTitle:)"
framework: avkit
role: symbol
role_heading: Instance Method
path: "avkit/avplayerview/flashchapternumber(_:chaptertitle:)"
---

# flashChapterNumber(_:chapterTitle:)

Displays the chapter number and title in the player view for a brief moment.

## Declaration

```swift
func flashChapterNumber(_ chapterNumber: Int, chapterTitle: String?)
```

## Parameters

- `chapterNumber`: The chapter number.
- `chapterTitle`: The chapter title. This value is optional and can be nil.