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  • Home
  • Resources
    • User Guides
    • Concepts Articles
    • API References
    • Client Libraries & SDKs
    • Product Updates
  • FAQs
    • General
    • IoTConnect
      • Device Rules
      • Devices
      • Settings
      • Device Commands
      • Device Templates
      • Device Firmware
      • Device Onboarding
    • Security
  • Contact Us

Client Libraries & SDKs

home/Documentation/Client Libraries & SDKs
  • Device SDK Reference
    • Overview
    • Device Authentication Options
    • Data Flow
    • Public Methods
      • Device Connection
      • Send Telemetry
      • Get Attributes
      • Send acknowledgment
      • Update Twin
    • SDKs (Message version 1.0)
      • DOT NET (C#)
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      • Build Your Own SDK
      • Node-RED
        • IoTConnect Node-red 1.0.9
        • IoTConnect Node-red 1.0.8
      • Node-RED Subflow
        • Single Device
        • Multiple Device
    • SDKs (Message version 2.1)
      • Python
      • DOT NET (C#)
      • C language
        • IoTConnect Generic C SDK
          • Linux Build Instructions
          • Windows Build Instructions
      • Python 1.1
    • Code Samples
      • Node.js
        • TPM 3.1
        • Standard SDK 3.0
        • Standard
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        • Standard SDK 3.0.1
        • Standard 2.0
      • Java
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        • Standard 2.0
        • Standard 3.0
      • Python
        • Standard 2.0
        • TPM 2.1
        • Standard 3.0.1
        • Standard
        • TPM
          • TPM 3.0.1
        • TPM 3.0
        • Standard 3.0.2
        • Standard 3.0.3
        • Standard 3.0.4
        • Python SDK
      • iOS
        • ios1.0.1
      • C Language
        • nRF9160 DK
        • STM32L4
        • ESP32
        • Standard 3.0
        • Standard 2.0
        • Standard 3.1
      • Android
        • Standard 3.0
        • Standard 2.0.6
        • Standard 2.0.0
      • DOT NET (C#)
        • Standard
        • Standard 2.0
        • Standard 3.0
    • Device Message 1.0
      • D2C (Device to Cloud)
        • IoTConnect SDK
        • Custom SDK
      • C2D (Cloud to Device)
        • IoTConnect SDK
        • Custom SDK
      • Troubleshooting & Response codes
      • Know Your Essentials
    • Device Message 2.1
    • AWS Device Message 2.1
    • SDK Deep-diving
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C2D (Cloud to Device)

Cloud to Device(C2D) messages

This Article merely provides the message data structures for the Cloud to Device communication with IotConnect Device SDK or Bring your own Custom SDK.

IoTConnect SDK

  • Device Command
  • OTA Command
  • Module Command
  • Device Attributes
  • Device Twin Message

Custom SDK

  • Device Command
  • OTA Command
  • Module Command
  • Template Attributes Change
  • Template Settings Change
  • Rule Change Command
  • Device Change Command
  • Password Change Command
  • Hard Stop Command
  • Device Twin Message

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