---
title: callout
framework: mapkitjs
role: symbol
role_heading: Interface Property
path: mapkitjs/annotationconstructoroptions/callout
---

# callout

A delegate that enables you to customize the annotation’s callout.

## Declaration

```data
callout?: AnnotationCalloutDelegate | null;
```

## Discussion

Discussion The default value is null. See AnnotationCalloutDelegate for details.

## See Also

### Creating callouts

- [calloutEnabled](mapkitjs/annotationconstructoroptions/calloutenabled.md)
- [calloutOffset](mapkitjs/annotationconstructoroptions/calloutoffset.md)