Azure function with IoT Hub trigger get send device

Azure function with IoT Hub trigger get send device

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Azure function with IoT Hub trigger get send device
Tag : development , By : Bart van Bragt
Date : January 12 2021, 09:11 PM

Does that help I created an function with IoT Hub trigger , Have a look at the following example:
using System;

public static void Run(string myIoTHubMessage, IDictionary<string, object> properties, IDictionary<string, object> systemproperties, TraceWriter log)
    log.Info($"C# IoT Hub trigger function processed a message: \n\t{myIoTHubMessage}");

    log.Info($"DeviceId = {systemproperties["iothub-connection-device-id"]}");

    log.Info($"\nSystemProperties:\n\t{string.Join("\n\t", systemproperties.Select(i => $"{i.Key}={i.Value}"))}");

    log.Info($"\nProperties:\n\t{string.Join("\n\t", properties.Select(i => $"{i.Key}={i.Value}"))}");

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How to trigger a failure in an azure function http trigger, WITH a custom error response

Tag : node.js , By : kraszie
Date : March 29 2020, 07:55 AM
This might help you Success will be true, but resultCode will be set to your value.
Try an AppInsights query like this:
// Get all errors
| where toint(resultCode) >= 400
| limit 10
| where toint(resultCode) >= 400
| take 10 
| join (traces) on operation_Id 
| project id, message, operation_Id

Android Studio:Send notification to another device when this device trigger certain condition

Tag : android , By : user87225
Date : March 29 2020, 07:55 AM
it should still fix some issue I'm new to Android and using Android Studio. Here is the detail of what I'm trying to do: There are 2 devices, 1 & 2, and there is a geofence. Whenever device1 enter or exit geofence, a notification will be sent to device2. , First, register devices to a topic

  "to": "/topics/DeviceRecievers",
  "data": {
     "message": "Device2 enter blah blah!",
myURLConnection.setRequestProperty ("Authorization", mAuth);
myURLConnection.setRequestProperty("Content-Type", "application/json");
String str =  "{\"x\": \"val1\",\"y\":\"val2\"}";
byte[] outputInBytes = str.getBytes("UTF-8");
OutputStream os = conn.getOutputStream();
os.write( outputInBytes );    

How send data to the event while using timer trigger azure function v2 in python

Tag : python-3.x , By : Jaya
Date : December 24 2020, 12:30 PM
it helps some times I'm trying to send data every 10 seconds to an Event Hub using the Azure Functions v2. Here my code for function.json , Change your return type from None to str
def main(mytimer: func.TimerRequest) -> str:
  "type": "eventHub",
  "name": "$return",
  "eventHubName": "sqlserverstreaming",
  "connection": "MyConnStringAppSetting",
  "direction": "out"

Send device twin property from azure iot central to device

Tag : azure , By : Arnaud Goudsmit
Date : March 29 2020, 07:55 AM
this one helps. I think you may be looking in the wrong place. The "cloud" properties in the IoT Central UI are meant to be edited, yes, but they don't get pushed back to the device. You should think of them as metadata that only matters from a cloud / non-edge perspective. If you want to "push" properties through the device twin, that would be through the concept of IoT Central settings.

How to send simulated data from a device to an Azure IoT Edge device

Tag : development , By : Jason Vance
Date : March 29 2020, 07:55 AM
wish helps you Once you set up IoT Edge as a transparent gateway(https://docs.microsoft.com/en-us/azure/iot-edge/how-to-create-transparent-gateway); and update your connection string used in your C# code to append "GatewayHostName="; your c# code should work and messages will route to Edge Hub and then IoT Hub.
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