---
title: "initialMaxStreamDataUnidirectional(_:)"
framework: network
role: symbol
role_heading: Instance Method
path: "network/quic/initialmaxstreamdataunidirectional(_:)"
---

# initialMaxStreamDataUnidirectional(_:)

Set the initial_max_stream_data_uni transport parameter on a QUIC connection.

## Declaration

```swift
func initialMaxStreamDataUnidirectional(_ initialMaxStreamDataUni: Int) -> QUIC
```

## Parameters

- `initialMaxStreamDataUni`: The value to use for the initial_max_stream_data_uni transport parameter on a QUIC connection.