---
title: "build_contains(_:_:)"
framework: foundation
role: symbol
role_heading: Type Method
path: "foundation/predicateexpressions/build_contains(_:_:)-18oc3"
---

# build_contains(_:_:)

## Declaration

```swift
static func build_contains<Base, Other>(_ base: Base, _ other: Other) -> PredicateExpressions.CollectionContainsCollection<Base, Other> where Base : PredicateExpression, Other : PredicateExpression, Base.Output : Collection, Other.Output : Collection, Base.Output.Element : Equatable, Base.Output.Element == Other.Output.Element
```