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# openUntitledDocumentOfType:display:

Returns a document object instantiated from the subclass of the given document type and optionally displays it.

```
- (id) openUntitledDocumentOfType:(NSString *) type display:(BOOL) display;
```

## Discussion

Returns an `NSDocument` object instantiated from the `NSDocument` subclass required by document type `docType` and displays it if `flag` is <doc://com.apple.documentation/documentation/Swift/true>. The returned object is not retained, but is added to the receiver’s list of managed documents. Returns `nil` if the object could not be created, typically because no `NSDocument` subclass could be found for `docType`. Even if `flag` is <doc://com.apple.documentation/documentation/Swift/true>, the document is not displayed if [`shouldCreateUI`](/documentation/AppKit/NSDocumentController/shouldCreateUI) returns <doc://com.apple.documentation/documentation/Swift/false>. This method calls [`makeUntitledDocumentOfType:`](/documentation/AppKit/NSDocumentController/makeUntitledDocumentOfType:) to obtain the created `NSDocument` object.

---

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