Implement Callbacks using laravel admin lte extension

[thiago001]

How do i can implement a callbacks at this extension?

Its my code:

$config = [
"height" => "500",
"maxlength" => "2000",
"toolbar" => [
// [groupName, [list of button]]
['style', ['bold', 'italic', 'underline', 'clear']],
['font', ['strikethrough', 'superscript', 'subscript']],
['fontsize', ['fontsize']],
['color', ['color']],
['para', ['ul', 'ol', 'paragraph']],
['height', ['height']],
['table', ['table']],
['insert', ['link', 'picture', 'video']],
['view', ['fullscreen', 'codeview', 'help']],
],
"callbacks" => [
["onKeydown", [".....Executar Algum código ......"]],
],
]