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

# maxDatagramFrameSize(_:)

Set the max_datagram_frame_size transport parameter on a QUIC connection.

## Declaration

```swift
func maxDatagramFrameSize(_ size: Int) -> QUIC
```

## Parameters

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