Quickstart: Create a Power Platform Tools project
Like any Visual Studio solution, you begin by creating a new project. In the new project dialog, enter "Power Platform" in the search box. You will see a list of available Power Platform Tools project C# templates as described below.
- Visual Studio 2019
- Power Platform Tools for Visual Studio
- C# language
- .NET Framework 4.6.2 (only for plug-in or custom workflow activity development)
- Power Apps/Dataverse subscription or a trial environment
- Windows Workflow Foundation (only for custom workflow activity development)
If you have not installed Power Platform Tools for Visual Studio, do so now before continuing with the steps in this article. More info Install Power Platform Tools
You can install Windows Workflow Foundation from the Visual Studio Installer application by selecting Modify and choosing the individual component as shown in the figure below. An alternate approach is to install a workload that contains that component.
Available project templates
The following table introduces the available Power Platform Tools project templates.
|C# project template||Description|
|Power Platform Solution Template||Solution template for creating a Power Platform solution. This template is for a Visual Studio solution and not a Microsoft Dataverse solution.|
|Power Platform Plug-in Library||Project template for creating a Power Platform plug-in class library and assembly (DLL).|
|Power Platform Package||Project template for creating a Power Platform package (CrmPackage). The package is used to deploy the solution and custom code libraries to a Dataverse environment.|
|Power Platform Workflow Activity Library||Project template for creating a Power Platform custom workflow activity class library and assembly (DLL).|
|Customizations Project||Project template for all customizations of a Power Platform (Dataverse) solution.|
Use the Power Platform solution template
The Power Platform solution template is a good starting point for any new solution. You can add and remove projects to and from the solution. However, you should not remove the CrmPackage project. Doing so will cause deployment of the Power Platform solution to the target environment to fail.
A Power Platform solution must contain one and only one CrmPackage project. Otherwise, the Dataverse solution deployment will fail.
The plug-in library and workflow library project templates are typically used for more advanced scenarios where you may want to add multiple custom code assemblies to a Power Platform solution or if you are only interested in developing that specific custom code component. Before you can deploy a solution that contains only a project of these types, you must add a CrmPackage project to the Visual Studio solution.
The easy way to create a Power Platform solution containing a CrmPackage project and optionally a plug-in and/or workflow activity project is to use the Power Platform Solution Template. To create that solution, follow these next steps.
In the Visual Studio new project dialog, search for and choose Power Platform Solution Template and then select Next.
Enter the requested project information, choose .NET Framework 4.6.2 or 4.7.2, and select Create.At this point you should see either a Dataverse login dialog or a dialog to reuse your last Dataverse connection. Do whatever is appropriate to connect to your Dataverse development environment. Never develop code in a production environment.
At the Configure Microsoft Power Platform Solution dialog, choose either to use an existing Dataverse solution or create a new solution.Depending on what you have chosen, you will either be prompted to enter information about the new solution or select the existing solution from a drop-down list. Step #3 Select Solution is displayed but won't be active until you are logged in and choose Next in step #2.
Once the target Power Platform solution has been identified or created, you will specify existing items or create new projects (step #1) using one of the above Power Platform project templates.After choosing a new item, the dialog will expand to show step #2 where you can choose (only) one of each available project to add to your solution. Choose (check) one or more projects from the list and select Next. Step #3 is displayed but not active until you are done with step #2 and choose Next.
In step #3 of the dialog, enter names for your chosen projects and select Done.Choose names that you will want to see as project names in Visual Studio Solution Explorer.
You will be prompted to save the solution file. Select Save to save the Visual Studio solution.
In Solution Explorer, you should now see a solution containing a single CrmPackage project and one or more projects based of the project templates that you chose. Each plug-in or custom workflow activity class library will build an assembly. You can add additional classes to each class library by adding a new or existing item as desired, and you can add other projects to the solution using the Power Platform project templates.
The following procedures describe some common operations for your Visual Studio solution.
Add a new project to a Power Platform solution
Only projects created with a Power Platform Tools template should be added to a solution created using the Power Platform Tools Solution Template. To add a new project to a solution, follow these steps.
Right-click the solution in Solution Explorer, select Add, and then choose New Project.
Select one of the installed Power Platform Tools templates and select Next.
Fill in any required information and select Create. For a plug-in or workflow activity library, be sure to choose .NET Framework 4.6.2 (or 4.7.2).
Add an existing project to a Power Platform solution
Only projects created from Power Platform Tools templates should be added to a solution that was created using the Power Platform Tools Solution Template.
Right-click the solution in Solution Explorer, select Add, and then choose Existing Project.
Navigate to the .csprog file of the target project, select it, and choose Open.
In Solution Explorer, under the CrmPackage project, right-click References and select Add Reference.
In the Projects tab of the Add Reference dialog, select the (to be added) projects from the list and then click Add to add them to the list of selected projects and components.
Click OK to add the projects to the solution and close the Add Reference dialog box.
Remove a project from a Power Platform solution
In Solution Explorer, right-click the project and select Remove. The project will automatically be removed from the CrmPackage references.
Edit the RegisterFile.crmregister XML file in the CrmPackage project and remove any XML registration code related to the project you just removed.
Remove any deployed assembly and steps of your project from the Dataverse environment and solution.If you removed a plug-in or workflow activity library project from the Visual Studio solution, you may want to also remove any related assembly and steps from the Dataverse environment and solution. You can do this in Power Platform Explorer by expanding the Plug-in Assemblies node of your environment tree, right-click the target assembly, and choose Delete Assembly. This will delete the assembly and any registered steps.
Your Dataverse logon account must own or have delete access to the the deployed assembly in order for you to delete it from the environment.
Advance to the next article to learn how to create and deploy a plug-in
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