Email Activity Creation Problem

Question

I m new in MS Dynamic CRM 2013. I m trying to make a email activity on the update of a issue (case). but I m getting error at:
 CreateResponse resp = (CreateResponse)slos.Execute(reqActivity);
I m attaching the whole code here:
// <copyright file="PostIssueUpdate.cs" company="">
// Copyright (c) 2015 All Rights Reserved
// </copyright>
// <author></author>
// <date>1/29/2015 2:37:35 PM</date>
// <summary>Implements the PostIssueUpdate Plugin.</summary>
// <auto-generated>
// This code was generated by a tool.
// Runtime Version:4.0.30319.1
// </auto-generated>
namespace CrmVSSolution1.Plugins
using System;
using System.ServiceModel;
using Microsoft.Xrm.Sdk;
using System.ServiceModel.Description;
using System.Text;
using System.Collections.Generic;
using System.Linq;
// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Discovery;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Crm.Sdk.Messages;
/// <summary>
/// PostIssueUpdate Plugin.
/// Fires when the following attributes are updated:
/// All Attributes
/// </summary>
public class PostIssueUpdate: Plugin
/// <summary>
/// Initializes a new instance of the <see cref="PostIssueUpdate"/> class.
/// </summary>
public PostIssueUpdate()
: base(typeof(PostIssueUpdate))
base.RegisteredEvents.Add(new Tuple<int, string, string, Action<LocalPluginContext>>(40, "Update", "incident", new Action<LocalPluginContext>(ExecutePostIssueUpdate)));
// Note : you can register for more events here if this plugin is not specific to an individual entity and message combination.
// You may also need to update your RegisterFile.crmregister plug-in registration file to reflect any change.
/// <summary>
/// Executes the plug-in.
/// </summary>
/// <param name="localContext">The <see cref="LocalPluginContext"/> which contains the
/// <see cref="IPluginExecutionContext"/>,
/// <see cref="IOrganizationService"/>
/// and <see cref="ITracingService"/>
/// </param>
/// <remarks>
/// For improved performance, Microsoft Dynamics CRM caches plug-in instances.
/// The plug-in's Execute method should be written to be stateless as the constructor
/// is not called for every invocation of the plug-in. Also, multiple system threads
/// could execute the plug-in at the same time. All per invocation state information
/// is stored in the context. This means that you should not use global variables in plug-ins.
/// </remarks>
protected void ExecutePostIssueUpdate(LocalPluginContext localContext)
if (localContext == null)
throw new ArgumentNullException("localContext");
// TODO: Implement your custom Plug-in business logic.
IPluginExecutionContext context = localContext.PluginExecutionContext;
IOrganizationService service = localContext.OrganizationService;
if (context.InputParameters.Contains("Target") &&
context.InputParameters["Target"] is Entity)
// Obtain the target entity from the input parmameters.
Entity entity = (Entity)context.InputParameters["Target"];
if (entity.LogicalName == "incident")
string entityDescription = "There is no note found";
try
if (entity.Attributes.Contains(""))
entity.Attributes["description"] = entityDescription;
CreateRequest reqActivity = new CreateRequest();
Entity newEmail = new Entity("email");
newEmail["subject"] = "This is for testing";
newEmail["description"] = entityDescription;
Entity ap = new Entity();
Entity ap2 = new Entity();
ap = new Entity("activityparty");
ap["addressused"] = "[email protected]";
Entity[] aryTo = { ap };
newEmail["to"] = aryTo;
ap2 = new Entity("activityparty");
ap2["partyid"] = new EntityReference("systemuser", new Guid(""));
Entity[] aryFrom = { ap2 };
newEmail["from"] = aryFrom;
newEmail["regardingobjectid"] = new EntityReference("account", new Guid(""));
reqActivity.Target = newEmail;
CreateResponse resp = (CreateResponse)slos.Execute(reqActivity);
catch (FaultException ex)
throw new InvalidPluginExecutionException("An error occurred in the plug-in.", ex);

Answer 1

Hello,
Could you please point to the part of your code where you have declared "slos"? I rechecked it twice and I see nothing. Also could you please provide an exception message that you are getting?
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