Configuration MyWebsite
{
    Import-DscResource -ModuleName xWebAdministration

    Node Webserver
    {
        WindowsFeature IIS
        {
            Ensure="Present"
            Name="Web-Server"
        }
        WindowsFeature Mgmt-Tools
        {
            Ensure  = "Present"
            Name    = "Web-Mgmt-Tools"
        }
        WindowsFeature Mgmt-Console
        {
            Ensure  = "Present"
            Name    = "Web-Mgmt-Console"
        }
        WindowsFeature Mgmt-Service
        {
            Ensure  = "Present"
            Name    = "Web-Mgmt-Service"
        }

        $secpasswd = ConvertTo-SecureString "PlainTextPassword" -AsPlainText -Force
        $cred = New-Object System.Management.Automation.PSCredential ("username", $secpasswd)

        xWebAppPool ApplicationPool
        {
            Name = "my-application-pool"
            AutoStart = $true
            ManagedPipelineMode = "Integrated"
            ManagedRuntimeVersion = "v4.0"
            IdentityType = "SpecificUser"
            Credential = $cred
            Enable32BitAppOnWin64 = $false

        }
    }
}

$ConfigurationData = @{
    AllNodes = @(
        @{
            NodeName = "Webserver"
            PSDscAllowPlainTextPassword = $true
            PSDscAllowDomainUser = $true
        }
    )
}

MyWebsite -ConfigurationData $ConfigurationData