---
title: "Package.Dependency.SourceControlRequirement.revision(_:)"
framework: packagedescription
role: symbol
role_heading: Case
path: "packagedescription/package/dependency/sourcecontrolrequirement/revision(_:)"
---

# Package.Dependency.SourceControlRequirement.revision(_:)

A commit based requirement.

## Declaration

```swift
case revision(String)
```