---
title: minimumZ
framework: mapkitjs
role: symbol
role_heading: Interface Property
path: mapkitjs/tileoverlayconstructoroptions/minimumz
---

# minimumZ

The minimum zoom level of the overlay.

## Declaration

```data
minimumZ: number;
```

## Discussion

Discussion The default value is null.

## See Also

### Initializing tile overlay options

- [data](mapkitjs/tileoverlayconstructoroptions/data.md)
- [maximumZ](mapkitjs/tileoverlayconstructoroptions/maximumz.md)
- [opacity](mapkitjs/tileoverlayconstructoroptions/opacity.md)