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# imageForTile

A string, or callback function, that provides the requested tile.

```
get imageForTile(): TileOverlayUrlTemplate | TileOverlayImageCallback;
set imageForTile(
    imageForTile: TileOverlayUrlTemplate | TileOverlayImageCallback,
);
```

## Discussion

Set this property to a [`TileOverlayUrlTemplate`](/documentation/MapKitJS/TileOverlayUrlTemplate) to provide tiles by URL, or a [`TileOverlayImageCallback`](/documentation/MapKitJS/TileOverlayImageCallback) to provide tiles as image sources directly.

MapKit JS sets `imageForTile` in the tile overlay constructor, and accesses or overrides it on the [`TileOverlay`](/documentation/MapKitJS/TileOverlay) object directly.

## Topics

[`TileOverlayUrlTemplate`](/documentation/MapKitJS/TileOverlayUrlTemplate)

A type that specifies the URL template for a tile overlay.

[`TileOverlayImageCallback`](/documentation/MapKitJS/TileOverlayImageCallback)

A callback function that provides tile images for a tile overlay.


---

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