---
title: lineIn
framework: avfaudio
role: symbol
role_heading: Type Property
path: avfaudio/avaudiosession/port/linein
---

# lineIn

A line-level input from the dock connector.

## Declaration

```swift
static let lineIn: AVAudioSession.Port
```

## See Also

### Getting Input Ports

- [builtInMic](avfaudio/avaudiosession/port/builtinmic.md)
- [continuityMicrophone](avfaudio/avaudiosession/port/continuitymicrophone.md)
- [headsetMic](avfaudio/avaudiosession/port/headsetmic.md)