language.update:after
return [
    'hooks' => [
        'language.update:after' => function (Kirby\Cms\Language $newLanguage, Kirby\Cms\Language $oldLanguage, array $input) {
            // your code goes here
        }
    ]
]Parameters
| Parameter | Type | 
|---|---|
| $newLanguage | Kirby\Cms\Language | 
| $oldLanguage | Kirby\Cms\Language | 
| $input | array |