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

# opacity

The opacity level of the overlay.

## Declaration

```data
opacity: number;
```

## Discussion

Discussion The default value is 1.

## See Also

### Initializing tile overlay options

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