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Unlock the Power of Customization: A Beginner’s Guide to Writing a Dynamics 365 Plugin

Unlock the Power of Customization: A Beginner’s Guide to Writing a Dynamics 365 Plugin

Title: Mastering The Art of Writing a Simple Dynamics 365 Plugin


In the world of business technology, Microsoft Dynamics 365 has become a cornerstone for managing customer relationships, streamlining processes, and improving profitability. However, to truly optimise your Dynamics 365 experience, you may need to create some customisations. One way is by writing Dynamics 365 plugins. This article will guide you through the process, helping you understand how to write a simple Dynamics 365 plugin.

Understanding Dynamics 365 Plugins

Simply put, a Microsoft Dynamics 365 plugin is a custom business logic that integrates with the system to modify or extend its standard behaviour. It is essentially a .NET assembly (DLL) registered within Dynamics CRM and triggered to perform operations based on certain events like create, update, delete and more.

Why Write a Dynamics 365 Plugin?

Plugins can bring about major transformations in how businesses operate. They allow for a more personalised approach to CRM systems, adapting Dynamics 365 to specific workflows and needs. By creating custom plugins, you can automate business processes, enforce policies, and integrate with external systems—providing a seamless, end-to-end business solution.

Essential Requirements

Before we start, ensure you have the following:

1. Visual Studio: This is the development environment where we’ll be crafting our plugin.
2. Dynamics 365 SDK: This contains the tools and resources to customise Dynamics 365.

Let’s delve into the intricate process of writing a simple Dynamics 365 plugin.

How to Write A Simple Dynamics 365 Plugin

Step 1: Create a New Project In Visual Studio

Open Visual Studio, select ‘New Project’. Choose ‘Class Library’ under Visual C#. Name your project, then click ‘OK’.

Step 2: Set Up Your Assembly References

You must reference two DLL files from your Dynamics 365 SDK folder:

a) Microsoft.Xrm.Sdk.dll
b) Microsoft.Crm.Sdk.Proxy.dll

To add these references, right-click on ‘References’ in the Solution Explorer, choose ‘Add Reference’, then navigate to the DLL files.

Step 3: The Coding Process

Create a new class and ensure it implements the IPlugin interface. This interface is present in the Microsoft.Xrm.Sdk namespace, so include this in your using statements. Write the Execute method that will contain your plugin code.

using System;
using Microsoft.Xrm.Sdk;

public class SimplePlugin : IPlugin
public void Execute(IServiceProvider serviceProvider)
// Your code here

Your code within the Execute method will depend on what you want your plugin to do. However, remember to pay attention to exception handling to avoid system errors.

Step 4: Register Your Plugin With Dynamics 365

Once you’ve written and compiled your plugin, you need to register it with Dynamics 365. The Plugin Registration Tool in the SDK allows you to do this. Just sign in, create a new connection, and use the ‘Register New Assembly’ option to upload your plugin DLL file.


Writing a Dynamics 365 plugin might seem like a daunting task, yet it can enhance your CRM system’s capability significantly. By following these steps, even a beginner developer can create simple plugins that can greatly improve the functionality of Microsoft Dynamics 365. Explore and harness the potential of customised solutions with Dynamics 365 plugins!

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