Not Check ziiven/flarum-daily-check-in

[Litalino]

I used the code below but it doesn't work. Please tell me why the code doesn't work

if (app.initializers.has('ziiven/flarum-daily-check-in')) {
    console.log('flarum-daily-check-in');
}

[Litalino]

if (app.initializers.has('ziven-checkin')) { console.log('flarum-daily-check-in'); }