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Mastering Microsoft: A Beginner’s Guide to Writing a Dynamics 365 Plugin

Mastering Microsoft: A Beginner’s Guide to Writing a Dynamics 365 Plugin

Title: A Simplified Guide to Writing a Dynamics 365 Plugin

As we swim in the sea of digital information, Microsoft Dynamics 365 stands out like a shining beacon for businesses worldwide, providing comprehensive CRM and ERP solutions. One particularly versatile feature of Dynamics 365 is its plugin ability, which allows users to customise and extend its functionality. This blog post will provide a simple guide on writing a Dynamics 365 plugin that even beginners can follow.

Firstly, let’s understand what a plugin in Dynamics 365 is. A Dynamics 365 plugin is a custom business logic component that you can integrate into your Dynamics 365 system to modify or extend its standard behaviour. It acts as an integral pathway to trigger specific actions based on certain conditions or events, enhancing the application’s effectiveness and customisability.

Beginners, fear not! The process of writing a Dynamics 365 plugin might seem complex at first glance, but it can be broken down into manageable steps.

**Step 1: Setting Up Your Development Environment**

Before starting to write our plugin, we need an environment conducive to coding. An essential tool for this task is Visual Studio, a well-regarded integrated development environment (IDE) from Microsoft. If you haven’t installed Visual Studio yet, visit the official Microsoft website to download and install it.

**Step 2: Start A New Project**

Launch Visual Studio and create a new Class Library (.NET Framework) project. Make sure to choose .NET Framework version 4.6.2 or later.

**Step 3: Installing Assemblies**

To ensure our plugin communicates effectively with Dynamics 365, we must add references to certain assemblies. To do this, right-click on ‘References’ in the Solution Explorer window, then click on ‘Manage NuGet Packages’. In the ‘Browse’ tab, search for ‘Microsoft.CrmSdk.CoreAssemblies’ and install it.

**Step 4: Writing the Code**

In order to write a simple plugin, firstly replace the auto-generated code in Class1.cs. You’ll need to utilise Microsoft.Xrm.Sdk namespace, and ensure your class implements the IPlugin interface.

An example of a simplified plugin code looks like this:

using System;
using Microsoft.Xrm.Sdk;

public class SamplePlugin : IPlugin
public void Execute(IServiceProvider serviceProvider)
ITracingService tracingService =

IPluginExecutionContext context = (IPluginExecutionContext)

if (context.InputParameters.Contains(“Target”) &&
context.InputParameters[“Target”] is Entity)
Entity entity = (Entity)context.InputParameters[“Target”];

//Your custom logic here

In this code, IServiceProvider allows access to Dynamics 365 services, ITracingService helps in logging run-time information of the plugin, and IPluginExecutionContext provides access to contextual information.

**Step 5: Build and Sign the Assembly**

Once you’ve added your custom logic within the Execute method, build the project. Post successful build, sign the assembly. You can do this by going to the project properties, then click on ‘Signing’ and choose to sign the assembly with a new key.

**Step 6: Register The Plugin**

The last step involves registering the plugin with Dynamics 365 using the Plugin Registration Tool, available in the Dynamics 365 SDK. Follow the tool prompts to register the new assembly and steps, and voila! Your plugin is ready for action!

Developing a Dynamics 365 plugin might seem challenging initially, but with this comprehensive guide, you should have a clear pathway to creating one. Remember, the key to mastering any skill, including writing plugins for Dynamics 365, lies in practice and patience. Happy coding!

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