valueFormat
Optional. Defines the format of the value to be applied when working with TimePicker events
valueFormat?: "string" | "timeObject";
Example
const timepicker = new dhx.Timepicker("timepicker_container", {
    value: "06:00",
    timeFormat: 24,
    valueFormat: "string"
});
// or
const timepicker = new dhx.Timepicker("timepicker_container", {
    value: {hour: 6, minute: 0, AM: true},
    timeFormat: 12,
    valueFormat: "timeObject"
});
Change log:
added in v7.0