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Api docs: Add Widget of the Week video to DropdownMenu (#168254)

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I followed the instructions in [Link to Widget of the Week
videos](https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md#link-to-widget-of-the-week-videos)

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Tanya Bouman 2025-05-12 01:46:32 -04:00 committed by GitHub
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packages/flutter/lib/src/material/dropdown_menu.dart
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@ -120,6 +120,8 @@ enum DropdownMenuCloseBehavior {
/// A dropdown menu that can be opened from a [TextField]. The selected
/// menu item is displayed in that field.
///
/// {@youtube 560 315 https://www.youtube.com/watch?v=giV9AbM2gd8}
///
/// This widget is used to help people make a choice from a menu and put the
/// selected item into the text input field. People can also filter the list based
/// on the text input or search one item in the menu list.