graph.cs

/*Exception details:
  https://fef.msub03.manage.microsoft.com/DeviceConfiguration_2010/StatelessDeviceConfigurationFEService/deviceManagement/deviceConfigurations?api-version=5020-09-25
  iosWiFiConfiguration as JSON
  {
    "connectAutomatically":  true,
    "connectWhenNetworkNameIsHidden":  true,
    "disableMacAddressRandomization":  false,
    "networkName":  "4999",
    "preSharedKey":  "ThaKey12348",
    "proxySettings":  "none",
    "ssid":  "4999",
    "wiFiSecurityType":  "wpaPersonal",    
    "description":  "automated",
    "displayName":  "4999",    
    "roleScopeTagIds":  [
                            "0"
                        ],
    "supportsScopeTags":  true,
    "version":  1,
    "@odata.type":  "#microsoft.graph.iosWiFiConfiguration"
} */

var scope = new List<string>
{
    "0"
};

var prof = new IosWiFiConfiguration
{
    PreSharedKey = "ThaKey12348",
    SupportsScopeTags = true,
    RoleScopeTagIds = scope,
    DisplayName = "4999",
    NetworkName = "4999",
    Version = 1,
    WiFiSecurityType = WiFiSecurityType.WpaPersonal,
    DisableMacAddressRandomization = false,
    Ssid = "4999",
    ProxySettings = WiFiProxySetting.None,
    ConnectAutomatically = true
};            

var newProfile = graphCli.DeviceManagement.DeviceConfigurations
    .Request()
    .AddAsync(prof);