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Boost Your CRM System: A Step-by-Step Guide to Creating a Simple Dynamics 365 Plugin

Boost Your CRM System: A Step-by-Step Guide to Creating a Simple Dynamics 365 Plugin

Title: Crafting a Simple Dynamics 365 Plugin: A Handy Guide


Microsoft Dynamic 365, the comprehensive cloud-based solution, is lauded for its unique features alongside its ability to customise and extend its capabilities. One of these customisation options includes creating plugins, a fantastic route for enhancing the functionality and efficiency of your CRM system. This blog post will guide you step-by-step on writing a simple Dynamics 365 Plugin, whether you’re a newbie developer or seasoned pro. Note that this article assumes familiarity with Microsoft’s .NET framework and C# language.

Understanding Dynamic 365 Plugins

In essence, a Dynamics 365 plugin is a .Net assembly (DLL) written in C#, registering with the Dynamics 365, designed to modify or augment the built-in behaviour of the system. Plugins are triggered by events, either before (pre-event) or after (post-event) it happens within the Dynamic 365 environment.

Why Use Plugins?

Plugins offer extended functionalities that can fulfil business needs beyond standard Dynamics 365 capabilities. They are versatile, ranging from data manipulation, integrating other systems, enforcing business rules to enhancing user experience.

Creating Your Dynamics 365 Plugin

Step 1: Install Visual Studio and Software Development Kit (SDK)

Visual Studio and Dynamics 365 Customer Engagement SDK are essential for plugin development. Download and install a suitable version of Visual Studio. Follow it with the SDK installation that includes tools, class libraries, sample code and related components assisting with plugin development.

Step 2: Create a New Project

Launch Visual Studio, then select ‘New Project’, choose the ‘Class Library (.NET Framework)’ template, assign your project a name, and click ‘Create’.

Step 3: Add Assemblies

Proceed by adding the required assemblies (Microsoft.Xrm.Sdk.dll and Microsoft.Crm.Sdk.Proxy.dll) to your project. You’ll find these dynamic link libraries in the SDK bin folder.

Step 4: Write Your Plugin

Start by adding a new class that will serve as your plugin. This class should inherit from the IPlugin interface found within Microsoft.Xrm.Sdk. Next, override the ‘Execute’ method in the service provider object; this is where all your custom code lies.

Step 5: Build and Sign

Once you’ve written your plugin, build it (‘Build → Rebuild Solution’). Then, sign the assembly using a strong-name key file to ensure your plugin’s integrity and uniqueness. You can easily do this in Visual Studio’s ‘Signing’ tab.

Step 6: Register Your Plugin

Finally, use the Plugin Registration Tool included in the SDK to register your plugin with Dynamics 365. Connect this tool to your Dynamics 365 instance, select ‘Register New Assembly’, upload your plugin, set its properties, and finally hit ‘Register Selected Plugins’.

Tips for Writing Efficient Plugins

1. Keep it Simple: Stick to accomplishing one task efficiently rather than overloading your plugin with multiple functionalities.
2. Use Early-Bound Classes: They offer compile-time type checking and IntelliSense support, enhancing your coding productivity.
3. Exception Handling: Write robust exception handling code to manage unexpected runtime issues.
4. Debugging: Utilise tracing for easy debugging during plugin development and testing.
5. Test Thoroughly: Ensure to adequately test your plugin in a non-production environment before implementation.


Crafting a Dynamics 365 plugin is an excellent way to extend and customise your CRM experience fitting exact business requirements. This article has provided simple-to-follow steps to help you write and register your D365 plugin. Remember, plugins are powerful tools; however, they should be designed thoughtfully, factoring performance, maintainability, and scalability. Happy Coding!

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