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‘Unlocking the Power of Microsoft Dynamics 365: Your Step-by-Step Guide to Writing a Simple Plugin’

‘Unlocking the Power of Microsoft Dynamics 365: Your Step-by-Step Guide to Writing a Simple Plugin’

Title: A Comprehensive Guide to Writing a Simple Dynamics 365 Plugin


Microsoft Dynamics 365, an indispensable suite of astute business applications, is critical in maintaining efficiency and productivity across various business operations. A significant part of Dynamics 365’s charm lies in its flexible customisability through plugins. In this blog post, we’ll delve deeper into the exciting world of Dynamics 365 plugins, illustrating a simple and straightforward way to write your very own Dynamics 365 plugin.

What is a Dynamics 365 Plugin?

Before diving straight into the process, it’s crucial to comprehend what a Dynamics 365 plugin truly entails. Essentially, a plugin is a piece of code that empowers users to augment or customise the standard functionality of Microsoft Dynamics 365. Through plugins, additional steps can be executed before or after a significant event like create, update, delete within Dynamics 365, optimising the platform’s utility for bespoke business requirements.

The Basics of Writing a Dynamics 365 Plugin

Crafting your own plugin involves writing a .NET Class Library which gets triggered during events specified by you in Dynamics 365.

Step 1: Prepare the Development Environment

The first step in creating a Dynamics 365 plugin is setting up your Integrated Development Environment (IDE). Tools such as Visual Studio come recommended for their comprehensive features and compatibility with Dynamics 365.

Step 2: Create a New Project

After installing and setting up Visual Studio, launch the programme and create a new Class Library (.NET Framework) project.

Step 3: Install Microsoft.CrmSdk.CoreAssemblies

The next step is to install ‘Microsoft.CrmSdk.CoreAssemblies’ from NuGet Package Manager. This assembly facilitates connection and interaction with Dynamics 365.

Step 4: Plugin Class and Register Plugin

Subsequently, create a new class that inherits from the Plugin class. The code written within the “Execute” method in this class will run when the event occurs. Then, register your plugin using the Plugin Registration tool that comes with Dynamics 365 SDK.

Writing the Plugin

Now, let’s dive into the step-by-step process of writing the plugin.

1. Start by creating a public class that inherits from the base class ‘Plugin’ found in Microsoft Crm SDK.

2. Now, override the Execute method in your new class. The Service Provider object obtained from the Execute method offers key classes, including IOrganizationServiceFactory and IPluginExecutionContext.

3. Use ‘ServiceProvider.GetService’ method to obtain these classes. IOrganizationServiceFactory generates an instance of IOrganizationService, which is instrumental in performing Create, Retrieve, Update, and Delete operations in Dynamics 365.

4. IPluginExecutionContext is utilised to fetch runtime information, such as the depth, isolation mode, mode, and more.

5. Add your custom code to perform the action whenever a specified event triggers in Dynamics 365. This could include pre-validation, pre-operation or post-operation instructions based on your business requirements.

6. Once you’ve written the code, build your project to generate the output assembly (.dll file). Register this assembly along with your plugin in Dynamics 365 using the Plugin Registration Tool.


Writing a plugin for Dynamics 365 can transform how you interact with this robust platform. Whether it’s optimising processes or effectively tailoring Dynamics 365 to your unique business needs, mastering plugin development opens doors to endless possibilities.

Remember, while this guide provides a simple overview of developing a Dynamics 365 plugin, building complex plugins may demand a deeper understanding of C# and .NET programming. Continue expanding your Microsoft Dynamics 365 mastery for an effortless and result-driven customisation experience.

We hope this guide demystifies the initial phases of plugin writing for Dynamics 365 and paves the way towards a more productive and personalised Dynamics 365 experience. Happy coding!

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