---
title: annotationForCluster
framework: mapkitjs
role: symbol
role_heading: Interface Property
path: mapkitjs/mapconstructoroptions/annotationforcluster
---

# annotationForCluster

Modifies cluster annotations.

## Declaration

```data
annotationForCluster?: (
    clusterAnnotation: ClusterAnnotation,
) => Annotation | undefined;
```

## Discussion

Discussion See annotationForCluster for more details.

## See Also

### Configuring map annotations

- [annotations](mapkitjs/mapconstructoroptions/annotations.md)
- [selectedAnnotation](mapkitjs/mapconstructoroptions/selectedannotation.md)