---
title: "init(_:_:_:_:_:_:_:_:)"
framework: combine
role: symbol
role_heading: Initializer
path: "combine/publishers/merge8/init(_:_:_:_:_:_:_:_:)"
---

# init(_:_:_:_:_:_:_:_:)

Creates a publisher created by applying the merge function to eight upstream publishers.

## Declaration

```swift
init(_ a: A, _ b: B, _ c: C, _ d: D, _ e: E, _ f: F, _ g: G, _ h: H)
```

## Parameters

- `a`: A publisher to merge
- `b`: A second publisher to merge.
- `c`: A third publisher to merge.
- `d`: A fourth publisher to merge.
- `e`: A fifth publisher to merge.
- `f`: A sixth publisher to merge.
- `g`: An seventh publisher to merge.
- `h`: An eighth publisher to merge.