---
title: overlay
framework: mapkit
role: symbol
role_heading: Instance Property
path: mapkit/mkoverlayrenderer/overlay
---

# overlay

The overlay object containing the data for drawing.

## Declaration

```swift
var overlay: any MKOverlay { get }
```

## Discussion

Discussion The overlay object contains the coordinate at which to draw the overlay and other information that your app provides.

## See Also

### Attributes of the overlay

- [alpha](mapkit/mkoverlayrenderer/alpha.md)
- [contentScaleFactor](mapkit/mkoverlayrenderer/contentscalefactor.md)
- [blendMode](mapkit/mkoverlayrenderer/blendmode.md)