final List _icons = [ [ 'IDENTITY', FontAwesomeIcons.camera, ], [ 'SPECIES', FontAwesomeIcons.tree, ], [ 'ARTICLES', FontAwesomeIcons.bookOpen, ], ];
You can try
_icons[0][1] //FontAwesomeIcons.camera
but it seems like you can use a map
instead of a list
final map _icons = { 'IDENTITY' : FontAwesomeIcons.camera, 'SPECIES': FontAwesomeIcons.tree, 'ARTICLES' : FontAwesomeIcons.bookOpen};
_icons['IDENTITY']; //FontAwesomeIcons.camera
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