Send MQTT Message from Azure IoT to Mongoose IoT Device

SendMQTTMessageCloudtoDevice.ps1

# Azure IoT 
Import-Module AzureIoT
Import-Module AzureRM
Login-AzureRmAccount

# IoT Hub RG, Location, Keyname and the target Device
$RGName = "MyMongooseIoTHub"
$IoTHubName = "MyMongooseIoTHub"
$deviceID = 'esp8266_12345'
$IoTKeyName = "iothubowner"

# Get IoT Hub and Key
$IoTHub = Get-AzureRmIotHub -Name $IoTHubName -ResourceGroupName $RGName
$IoTHubKey = Get-AzureRmIotHubKey -ResourceGroupName $iothub.Resourcegroup -Name $IoTHubName -KeyName $IoTKeyName 

# IoT ConnectionString
$IoTConnectionString  = "HostName=$($IoTHubName).azure-devices.net;SharedAccessKeyName=$($IoTKeyName);SharedAccessKey=$($IoTHubKey.PrimaryKey)"
# Build Hub Device URI
$IOTHubDeviceURI= "$($IoTHubName).azure-devices.net/devices/$($deviceID)" 

$deviceParams = @{
 iotConnString = $IoTConnectionString
 deviceId = $deviceID
}

# Device Keys
$deviceKeys = Get-IoTDeviceKey @deviceParams 
# Get Device 
$device = Get-IoTDeviceClient -iotHubUri $IOTHubDeviceURI -deviceId $deviceID -deviceKey $deviceKeys.DevicePrimaryKey

# Azure IoT Cloud Client
$CloudClientParams = @{
    iotConnString = $IoTConnectionString
}
$cloudClient = Get-IoTCloudClient @CloudClientParams 

# Send message from Cloud
$cloudMessageParams = @{
    deviceId = $deviceID
    messageString = "Hello from the Cloud via Powershell"
    cloudClient = $cloudClient
}
Send-IoTCloudMessage @cloudMessageParams