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# init(format:_:)

Creates and returns a text provider built from the specified format string.

```
convenience init(format: String, _ args: any CVarArg...)
```

## Parameters

`format`

A format string to use when building the text provider. To insert content from another text provider into the string, use the `%@` placeholder. For more information and examples about the placeholders you can use in this string, see [Formatting String Objects](https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/Strings/Articles/FormatStrings.html#//apple_ref/doc/uid/20000943) and [String Format Specifiers](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFStrings/formatSpecifiers.html#//apple_ref/doc/uid/TP40004265). This parameter must not be `nil`.

`args`

A comma-separated list of arguments to substitute into `format`.

## Return Value

A text provider object built from the specified arguments.

## Discussion

Use this method to create a text provider comprising text and the content of other objects, including other text providers.

---

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