---
title: "init(upstream:predicate:)"
framework: combine
role: symbol
role_heading: Initializer
path: "combine/publishers/tryfirstwhere/init(upstream:predicate:)"
---

# init(upstream:predicate:)

## Declaration

```swift
init(upstream: Upstream, predicate: @escaping (Publishers.TryFirstWhere<Upstream>.Output) throws -> Bool)
```