<!--
{
  "availability" : [

  ],
  "documentType" : "symbol",
  "framework" : "PackageDescription",
  "identifier" : "/documentation/PackageDescription/TargetDependencyCondition",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "PackageDescription"
    ],
    "preciseIdentifier" : "s:18PackageDescription25TargetDependencyConditionV"
  },
  "title" : "TargetDependencyCondition"
}
-->

# TargetDependencyCondition

A condition that limits the application of a target’s dependency.

```
struct TargetDependencyCondition
```

## Topics

### Creating a Dependency Condition

[`when(platforms:)`](/documentation/PackageDescription/TargetDependencyCondition/when(platforms:)-5bxhc)

Creates a target dependency condition.

[`when(traits:)`](/documentation/PackageDescription/TargetDependencyCondition/when(traits:))

Creates a target dependency condition.

[`when(platforms:traits:)`](/documentation/PackageDescription/TargetDependencyCondition/when(platforms:traits:))

Creates a target dependency condition.

[`when(platforms:)`](/documentation/PackageDescription/TargetDependencyCondition/when(platforms:)-4djh6)

Creates a target dependency condition.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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)