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# write(to:)

Writes the workflow to the specified file.

```
func write(to fileURL: URL) throws
```

## Parameters

`fileURL`

URL that specifies the file location to write the workflow.

## Discussion

You might want to save the workflow, for example, because you have made changes to a variable it contains.

> Handling Errors in Swift:
> In Swift, this method returns `Void` 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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