# Upgrade guide for Scheduler v3.0.1

## Showing remote content with the EventTooltip feature

EventTooltip never properly supported loading async content. Support for this has now been added, which you can try out
in the updated [tooltips demo](https://bryntum.com/products/scheduler/examples/tooltips/). To load remote data into an event
tooltip, simply do

```javascript
new Scheduler({
    features : {
        eventTooltip : {
            template : ({ eventRecord }) => AjaxHelper.get(`./tooltip.php?id=${eventRecord.id}`).then(response => response.text())
        }
    }
});
```

More details and examples in the updated [EventTooltip docs](#Scheduler/feature/EventTooltip).


<p class="last-modified">Last modified on 2023-10-26 8:19:20</p>