metaKey property

bool metaKey

True if the Meta (or Mac command) key is pressed during this event.

Source

bool get metaKey => _parent.metaKey;

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-html/KeyEvent/metaKey.html