instagram login in swift 3

instagramLogin.swift

// add the webview to your view controller add call web view delegate
 // register your app into instagram 

// add following code in to button action
let clientID = "aef611af2a1e4806a7de8c0aca13daac"
        let redirect_uri = "http://weebook.in/"
        let getAccessToken = "https://api.instagram.com/oauth/authorize/?client_id=\(clientID)&redirect_uri=\(redirect_uri)&response_type=token"
        self.InstagramWebView.loadRequest(NSURLRequest(url: NSURL(string:getAccessToken as String)! as URL) as URLRequest)

// delegate function of weview

func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool
    {
        
        let stringUrl : String = "\(request)"
        if let range = stringUrl.range(of: "access_token="){
            
            if(!range.isEmpty){
                let array =  stringUrl.components(separatedBy: "access_token=")
                // print(" https://api.instagram.com/v1/users/self/media/recent/?access_token=\(array[1])")
                let arrayData = "\(array[1])" as String
                let myUrl : String = " https://api.instagram.com/v1/users/self/media/recent/?access_token=\(arrayData)" as String
                
                webView.isHidden = true
                LoadInstagramImageData(url: myUrl as NSString)
                return false
            }else{
                return true
            }
        }
        return true
        
    }

Hi Randhir raj,
I got "use of unresolved identifier LoadInstagramImageData " error
what can I do?