<!--
{
  "availability" : [
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "tvOS: 27.0.0 -",
    "visionOS: 27.0.0 -",
    "watchOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Foundation",
  "identifier" : "/documentation/Foundation/ProgressManager/Property/Summary",
  "metadataVersion" : "0.1.0",
  "role" : "Associated Type",
  "symbol" : {
    "kind" : "Associated Type",
    "modules" : [
      "Foundation"
    ],
    "preciseIdentifier" : "s:10Foundation15ProgressManagerC8PropertyP7SummaryQa"
  },
  "title" : "Summary"
}
-->

# Summary

The type used for aggregated summaries of this property.

```
associatedtype Summary : Equatable, Sendable
```

## Discussion

This associated type represents the type used when summarizing property values
across multiple progress managers in a subtree.
The currently allowed types are `Int`, `Double`, `[String?]`, `[URL?]` or `[UInt64]`.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)