import { createClient, AppStrategy } from '@wix/sdk';
import { mediaCollections } from '@wix/media-collections';

const wixClient = createClient({
  auth: AppStrategy({
    appId: 'MY-APP-ID',
    publicKey: 'YOUR_APP_PUBLIC_KEY',
   }),
   modules: {
      mediaCollections,
    },
});

wixClient.mediaCollections.onCollectionCreated((event) => {
    // handle your event here
});