B4J Question Ho to command Filezilla via B4J code ?

Sub CreateFileZillaUser()
    Dim Job As HttpJob
    Job.Initialize("FileZilla", Me)
   
    Dim adminUser As String = "admin" ' Sostituisci con il tuo username admin
    Dim adminPassword As String = "password" ' Sostituisci con la tua password
   
    Dim url As String = "http://localhost:14148"
   
    ' JSON per creare un nuovo utente
    Dim json As String = $"{
        "command": "User.AddUser",
        "arguments": {
            "name": "NewUser"
        }
    }"$
   
    ' Invia richiesta HTTP
    Job.Username = adminUser
    Job.Password = adminPassword
    Job.PostString(url, json)
    Job.GetRequest.SetContentType("application/json")
End Sub

Sub JobDone(Job As HttpJob)
    If Job.Success Then
        Log("Risposta: " & Job.GetString)
    Else
        Log("Errore: " & Job.ErrorMessage)
    End If
    Job.Release
End Sub