# Clock Visible

If the clock overlay is shown on top of module experiences. 

By default, the clock is visible. When written immediately on module start, the clock is not shown at all.

{% tabs %}
{% tab title="Typescript" %}

```typescript
const clockVisibleCallback = (value: boolean, timestamp?: Date) => {
    console.log(value, timestamp);
};


COBI.app.clockVisible.write(true, clockVisibleCallback);
```

{% endtab %}

{% tab title="Javascript" %}

```javascript
const clockVisibleCallback = (value, timestamp) => {
    console.log(value, timestamp);
};


COBI.app.clockVisible.write(true, clockVisibleCallback);
```

{% endtab %}
{% endtabs %}


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