<!-- Public documentation export; not library implementation source. -->
# IWatermarkApi

[Integration guide](https://docs.lumencharts.com/charting-library/reference/compatibility) · [Reference index](https://docs.lumencharts.com/charting-library/api/)

Public contract reference. This declaration describes types and callback shapes; availability is constrained by the linked integration guide and the runtime capability. Legacy product-specific fields are not a promise of implementation.

## color {#color}

```ts
color(): IWatchedValue<string>;
```

Use the type signature above and the integration guide for the owning capability.

## visibility {#visibility}

```ts
visibility(): IWatchedValue<boolean>;
```

Use the type signature above and the integration guide for the owning capability.

## setContentProvider {#setcontentprovider}

```ts
setContentProvider(provider: WatermarkContentProvider | null): void;
```

Use the type signature above and the integration guide for the owning capability.

| Parameter | Type | Required |
| --- | --- | --- |
| `provider` | `WatermarkContentProvider &#124; null` | Yes |

## Related types

- [IWatchedValue](https://docs.lumencharts.com/charting-library/api/IWatchedValue)
- [WatermarkContentProvider](https://docs.lumencharts.com/charting-library/api/WatermarkContentProvider)

---
Documentation page: https://docs.lumencharts.com/charting-library/api/IWatermarkApi