Rocket.Chat/app/custom-sounds/client/notifications/deleteCustomSound.js

import { Meteor } from 'meteor/meteor';

import { CachedCollectionManager } from '../../../ui-cached-collection';
import { Notifications } from '../../../notifications';
import { CustomSounds } from '../lib/CustomSounds';

Meteor.startup(() =>
	CachedCollectionManager.onLogin(() => Notifications.onAll('deleteCustomSound', (data) => CustomSounds.remove(data.soundData))),
);