console.log('Trying to set variable "not_exists". This should display an error in the console.')
WA.room.saveVariable('not_exists', 'foo');

console.log('Trying to set variable "config". This should work.');
WA.room.saveVariable('config', {'foo': 'bar'});

console.log('Trying to read variable "config". This should display a {"foo": "bar"} object.');
console.log(WA.room.loadVariable('config'));