---
title: uploadTaskResumeData
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/urlerror/uploadtaskresumedata
---

# uploadTaskResumeData

An opaque data blob to resume a failed upload task.

## Declaration

```swift
var uploadTaskResumeData: Data? { get }
```

## Mentioned in

Pausing and resuming uploads