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

# subtitle

The text to display as a subtitle on the second line of an annotation’s callout.

## Declaration

```data
subtitle?: string;
```

## Discussion

Discussion The default value is null.

## See Also

### Creating data and titles

- [data](mapkitjs/annotationconstructoroptions/data.md)
- [title](mapkitjs/annotationconstructoroptions/title.md)
- [accessibilityLabel](mapkitjs/annotationconstructoroptions/accessibilitylabel.md)