# GoogleMaps Framework Reference

# GMSTileURLConstructor

    typedef NSURL *_Nullable (^GMSTileURLConstructor)(NSUInteger, NSUInteger,
                                                      NSUInteger)

`GMSTileURLConstructor` is a block taking `x`, `y` and `zoom` and returning an NSURL, or nil to
indicate no tile for that location.

@related `https://developers.google.com/maps/documentation/ios-sdk/reference/objc/Classes/GMSURLTileLayer.html`