onLiveQueryEvent returns undefined

[memishood]

server: 3.9.0 (back4app)

Parse.Cloud.onLiveQueryEvent(({ event, client, sessionToken, useMasterKey, installationId, clients, subscriptions, error }) => {
    if (event !== 'ws_disconnect') {
        return;
    }
    var TAG = 'ParseServerLiveQueryEvent ';
    console.log(TAG, client); // returns 'ws_disconnected'
    console.log(TAG, sessionToken); // returns undefined
    console.log(TAG, useMasterKey); // returns undefined
    console.log(TAG, installationId); // returns undefined
    console.log(TAG, clients); // returns undefined
    console.log(TAG, subscriptions); // returns undefined
    console.log(TAG, error); // returns undefined
});

[dplewis]

A PR was submitted and merged.

https://github.com/parse-community/parse-server/pull/6230/files

This will be included in the next release. If you want you can use the latest branch to test this.