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# init(contentsOf:)

Creates and initializes a workflow based on the contents of the specified file.

```
convenience init(contentsOf fileURL: URL) throws
```

## Parameters

`fileURL`

URL that specifies the location of a workflow file.

## Return Value

The initialized workflow object. On error, returns nil.

## Discussion

> Handling Errors in Swift:
> In Swift, this method returns a nonoptional result and is marked with the `throws` keyword to indicate that it throws an error in cases of failure.
> 
> You call this method in a `try` expression and handle any errors in the `catch` clauses of a `do` statement, as described in [Error Handling](https://docs.swift.org/swift-book/LanguageGuide/ErrorHandling.html) in [The Swift Programming Language](https://docs.swift.org/swift-book/) and `About Imported Cocoa Error Parameters`.

---

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