Show .KMZ file on Google Map in IOS Swift

I am able to load KML on Google map with below code. But now I want to show .KMZ file on Google map. I did unarchived it & added Folder containing doc.kml & Files folder which comntains 1 image, & tried to show doc.kml file on Google map.But didn't succeeded.

 func showKMLFile(kmlfileurl:URL) {

print("fileURL in show  is \(kmlfileurl)")
var renderer: GMUGeometryRenderer!
var kmlParser: GMUKMLParser!

if self.mapView != nil {
    
    kmlParser = GMUKMLParser(url:kmlfileurl)
    kmlParser.parse()
    
    renderer = GMUGeometryRenderer(map: self.mapView,
                                   geometries: kmlParser.placemarks,
                                   styles: kmlParser.styles)
    renderer.render()
    
}

} & I am calling this function like

    let fileManager = FileManager.default

    do {
        let docsArray = try fileManager.contentsOfDirectory(atPath: docsPath)
        print("docarray is \(docsArray)")
        for obj in docsArray{
            if obj == "doc.kml"
            {
                self.showKMLFile(kmlfileurl: URL(fileURLWithPath: docsPath + "/" + "FAIRMEAD LF" + "/" +  obj))
            }
        }
    } catch {
        print(error)
    }