## Fields

| Name                   | Type  | Description                                                  | Options |  
| ---------------------- | ----- | ------------------------------------------------------------ | ------- |  
| Label                  | Text  | -                                                            | -       |  
| Custom CSS classes     | Text  | CSS classes, separated by spaces. You can define classes in custom stylesheets. | -       |

## Events

**wf-time-change**

Capture changes to this control.

```python

def onchange_handler(state, payload):

# Set the state variable "new_time" to the new value, provided as a hh:mm string (in 24-hour format that includes leading zeros).
    state["new_time"] = payload
```