---
title: "when(traits:)"
framework: packagedescription
role: symbol
role_heading: Type Method
path: "packagedescription/targetdependencycondition/when(traits:)"
---

# when(traits:)

Creates a target dependency condition.

## Declaration

```swift
static func when(traits: Set<String>) -> TargetDependencyCondition?
```

## Parameters

- `traits`: The applicable traits for this target dependency condition.

## See Also

### Creating a Dependency Condition

- [when(platforms:)](packagedescription/targetdependencycondition/when(platforms:)-5bxhc.md)
- [when(platforms:traits:)](packagedescription/targetdependencycondition/when(platforms:traits:).md)
- [when(platforms:)](packagedescription/targetdependencycondition/when(platforms:)-4djh6.md)