[Space-06]

я только только его пишу добавлю проверки заполнености полей

а сам код вот:

using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Client;


namespace Microsoft.Crm.Sdk.Samples
{
    public class updatePhonecall : IPlugin
    {

        public void Execute(IServiceProvider serviceProvider)
        {
            //Extract the tracing service for use in debugging sandboxed plug-ins.
            ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
            

            // Obtain the execution context from the service provider.
            IPluginExecutionContext context = (IPluginExecutionContext)
                serviceProvider.GetService(typeof(IPluginExecutionContext));

            // The InputParameters collection contains all the data passed in the message request.
            if (context.InputParameters.Contains("Target") &&
                context.InputParameters["Target"] is Entity)
            {               
                    // Obtain the target entity from the input parameters.
                    Entity entity = (Entity)context.InputParameters["Target"];

                    // Verify that the target entity represents an account.
                    // If not, this plug-in was not registered correctly.
                    if (entity.LogicalName != "phonecall") { return; }


                    // Obtain the organization service reference.
                    IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                    IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
                
                     if (context.Depth == 1)
                        {

                    Entity phonecall = service.Retrieve("phonecall", entity.Id, new ColumnSet(true));
                    if (phonecall.Attributes.Contains("regardingobjectid"))
                    {
                        EntityReference regarding = (EntityReference)phonecall.Attributes["regardingobjectid"];
                        
                        if (regarding.LogicalName == "lead")
                        {
                            Entity lead = service.Retrieve("lead", regarding.Id, new ColumnSet(true));
                            EntityReference companyname = (EntityReference)lead.Attributes["new_companyname"];
                            Entity account = service.Retrieve("account", companyname.Id, new ColumnSet(true));
                            string name = account.Attributes["name"].ToString();
                            phonecall.Attributes.Add("new_nameofaccount", name);
                            service.Update(phonecall);
                            return;
                        }
                        if (regarding.LogicalName == "account")
                        {
                            Entity account = service.Retrieve("account", regarding.Id, new ColumnSet(true));
                            string name = account.Attributes["name"].ToString();
                            phonecall.Attributes.Add("new_nameofaccount", name);
                            service.Update(phonecall);
                            return;
                        }
                        if (regarding.LogicalName == "campaignactivity")
                        {
                            string fetchXml = @"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false'>
                                                <entity name='account'>
                                                <attribute name='name' />
                                                <attribute name='new_footnote' />
                                                <attribute name='new_typeofownership' />
                                                <attribute name='address1_city' />
                                                <attribute name='new_inn' />
                                                <attribute name='ownerid' />
                                                <attribute name='emailaddress1' />
                                                <attribute name='telephone1' />
                                                <attribute name='address1_stateorprovince' />
                                                <attribute name='accountid' />
                                                <order attribute='name' descending='false' />
                                                <filter type='and'>
                                                <condition attribute='statuscode' operator='eq' value='1' />
                                                </filter>
                                                <link-entity name='activityparty' from='activityid' to='activityid' alias='aa'>
                                                </link-entity>
                                                </entity>
                                                </fetch>";

                            Entity result = service.RetrieveMultiple(new FetchExpression(fetchXml)).Entities.FirstOrDefault();
                            Entity account = service.Retrieve("account", result.Id, new ColumnSet(true));
                            string name = account.Attributes["name"].ToString();
                            phonecall.Attributes.Add("new_nameofaccount", name);
                            service.Update(phonecall);                            
                        }
                    }
                }
            }
        }
    }
}

все получаю, кроме значения из поля получатель.
Понимаю что нужны проверки и исключения ... в последствии добавлю, чтоб плагин отрабатывал без ошибок с первого раза.

P.S. я его подключаю на два сообщения: Create и Update. на pre событие