In-App Notifications within Dynamics 365 Customer Service Workspace

using Microsoft.Xrm.Sdk;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Remoting.Contexts;
using System.Text;
using System.Threading.Tasks;

namespace InApp_Notofication_Demo
{
    public class Class1 : IPlugin
    {
        public void Execute(IServiceProvider serviceProvider)
        {
            ITracingService tracer = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
            IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));
            IOrganizationServiceFactory factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
            IOrganizationService service = factory.CreateOrganizationService(context.UserId);

            Entity entity = (Entity)context.InputParameters["Target"];

            if (entity.LogicalName != "incident")
            {
                return;
            }

            if (context.MessageName == "Create")
            {
                var request = new OrganizationRequest()
                {
                    RequestName = "SendAppNotification",
                    Parameters = new ParameterCollection
                    {
                        ["Title"] = "A New Case has been Created",
                        ["Recipient"] = entity.GetAttributeValue<EntityReference>("ownerid"),
                        ["Body"] = "A new Case has been created you.",
                        ["Expiry"] = 1209600,
                        ["Actions"] = new Entity()
                        {
                            Attributes = new AttributeCollection()
                            {
                                ["actions"] = new EntityCollection()
                                {
                                    Entities = new List<Entity>()
                                    {
                                        new Entity()
                                        {
                                            Attributes = new AttributeCollection()
                                            {
                                                ["title"] = "Open Case",
                                                ["data"] = new Entity()
                                                {
                                                    Attributes = new AttributeCollection()
                                                    {
                                                        ["type"] = "url",
                                                        ["url"] = $"?pagetype=entityrecord&etn={entity.LogicalName}&id={entity.Id}",
                                                        ["navigationTarget"] = "newWindow"
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                };

                service.Execute(request);
            }
        }
    }
}

Next, open the plugin registration tool to register your plugin, once tool get open click on the Create New Connection button, a new window will open there please select Display list of available originations and show the advanced check box, and enter the user id and password as shown in below screen.

Select your environment for list options and click on login.

Once the tool is open click on register, select register New Assembly, and show in the below screen.

A new window will open, select our DLL from Load Assembly. And click on the register selected plugin.

Once the plugin is registered, right-click on that and select Register New Step.

Select the Message as “Create” and the Primary Entity as “incident”.

Select the execution stage as “PostOperation” as shown below screen.

Finally, Navigate to CRM customer service workspace and create new cases in CRM.

Once is new case is created in CRM notification message is received in the notification section as shown below screen.