B4J Question [ABMaterial] How to implement recaptcha v2 in ABMatetrial web page?

Sub Class_Globals
    Public ABMComp As ABMCustomComponent
    Dim mAPIKey As String
End Sub

'Initializes the object. You can add parameters to this method if needed.
Public Sub Initialize(InternalPage As ABMPage, ID As String, APIKey As String)
    ABMComp.Initialize("ABMComp", Me, InternalPage, ID, "")
    mAPIKey = APIKey
End Sub

Sub ABMComp_Build(InternalPage As ABMPage, internalID As String) As String
    
    Return $"
    <script src="https://www.recaptcha.net/recaptcha/api.js?onload=onloadCallback&render=explicit" async defer></script>

    <script type="text/javascript">
      var verifyCallback = function(response) {
        document.getElementById("cont1-btnlogin").classList.remove('disabled');
    };
      
    var onloadCallback = function() {
        grecaptcha.render('${internalID}render', {
            'sitekey' : '${mAPIKey}',
            'callback' : verifyCallback,
            'theme' : 'light'
        });
      };
    </script>

     <div id="${internalID}render"></div>
    
    "$
    
End Sub

    Dim userID As ABMInput
    userID.Initialize(page,"userID",ABM.INPUT_TEXT,"Your ID：",False,"")
    cont1.Cell(1,1).AddComponent(userID)
    
    Dim userPswd As ABMInput
    userPswd.Initialize(page,"userPswd",ABM.INPUT_PASSWORD,"Your Pswd：",False,"")
    cont1.Cell(2,1).AddComponent(userPswd)

    ' note that this is Googles demo API key.  Use your own!
    myReCAPTCHA.Initialize(page, "myReCAPTCHA", "6LeIxAcTAAAAAJcZVRqyHh71UMIEGNQ_MXjiZKhI")    
    cont1.Cell(3,1).AddComponent(myReCAPTCHA.ABMComp)

    Dim btnLogin As ABMButton
    btnLogin.InitializeRaised(page,"btnLogin","","","Sign in","")
    btnLogin.UseFullCellWidth=True
    btnLogin.Enabled=False

    cont1.Cell(4,1).AddComponent(btnLogin)
    
    page.Cell(6,1).AddComponent(cont1)