---
title: "prewarmConnections(to:)"
framework: safariservices
role: symbol
role_heading: Type Method
path: "safariservices/sfsafariviewcontroller/prewarmconnections(to:)"
---

# prewarmConnections(to:)

## Declaration

```swift
class func prewarmConnections(to URLs: [URL]) -> SFSafariViewController.PrewarmingToken
```