PLUGIN TO CREATE TASK WHEN NEW ACCOUNT CREATED AND ASSIGN THE TASK TO SYSTEM USER BASED ON EMAILADDRESS ON DYNAMICS 365

 // <copyright file=”PostOperationaccountCreate.cs” company=””>
// Copyright (c) 2017 All Rights Reserved
// </copyright>
// <author></author>
// <date>3/14/2017 4:15:03 PM</date>
// <summary>Implements the PostOperationaccountCreate Plugin.</summary>
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.1
// </auto-generated>

using System;
using System.ServiceModel;
using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;

namespace SamplePlugin1
{

    /// <summary>
    /// PostOperationaccountCreate Plugin.
    /// </summary>    
    public class PostOperationaccountCreate : PluginBase
    {
        /// <summary>
        /// Initializes a new instance of the <see cref=”PostOperationaccountCreate”/> class.
        /// </summary>
        /// <param name=”unsecure”>Contains public (unsecured) configuration information.</param>
        /// <param name=”secure”>Contains non-public (secured) configuration information. 
        /// When using Microsoft Dynamics 365 for Outlook with Offline Access, 
        /// the secure string is not passed to a plug-in that executes while the client is offline.</param>
        public PostOperationaccountCreate(string unsecure, string secure)
            : base(typeof(PostOperationaccountCreate))
        {

            // TODO: Implement your custom configuration handling.
        }


        /// <summary>
        /// Main entry point for he business logic that the plug-in is to execute.
        /// </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 365 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 override void ExecuteCrmPlugin(LocalPluginContext localContext)
        {
            if (localContext == null)
            {
                throw new InvalidPluginExecutionException(“localContext”);
            }

            // Obtain the target entity from the input parameters.
            Entity entity = (Entity)localContext.PluginExecutionContext.InputParameters[“Target”];
            //</snippetFollowupPlugin2>

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

                // Create a task activity to follow up with the account customer in 7 days. 
                Entity followup = new Entity(“task”);

                followup[“subject”] = “Send e-mail to the new customer.”;
                followup[“description”] = “Follow up with the customer. Check if there are any new issues that need resolution.”;
                followup[“scheduledstart”] = DateTime.Now.AddDays(7);
                followup[“scheduledend”] = DateTime.Now.AddDays(7);
                followup[“category”] = entity.LogicalName;
                followup[“regardingobjectid”] = new EntityReference(“account”, entity.Id);
                Guid taskid = localContext.OrganizationService.Create(followup);


                // Assign the task created to #malla (another user when new account is created.)



                String fetchXml = @”<fetch version=’1.0′ output-format=’xml-platform’ mapping=’logical’ distinct=’false’>
                                      <entity name=’systemuser’>
                                        <attribute name=’fullname’ />
                                        <attribute name=’businessunitid’ />
                                        <attribute name=’title’ />
                                        <attribute name=’address1_telephone1′ />
                                        <attribute name=’positionid’ />
                                        <attribute name=’systemuserid’ />
                                        <order attribute=’fullname’ descending=’false’ />
                                        <filter type=’and’>
                                          <condition attribute=’internalemailaddress’ operator=’eq’ value=’mallagurram@gmrltd.onmicrosoft.com’ />
                                        </filter>
                                      </entity>
                                    </fetch>”;
                //THis will convert in Query base 
                FetchExpression query = new FetchExpression(fetchXml);

               
                EntityCollection entcollection = localContext.OrganizationService.RetrieveMultiple(query);

                for (int i = 0; i < entcollection.Entities.Count; i++)
                {

                    AssignRequest assign = new AssignRequest
                    {
                        Assignee = new EntityReference(“systemuser”, entcollection.Entities[i].Id),
                        Target = new EntityReference(“task”, taskid)
                    };
                    localContext.OrganizationService.Execute(assign);
                }


                // Execute the Request


                //// Execute the Request
                //localContext.OrganizationService.Execute(assign);

                //AssignRequest assign = new AssignRequest
                //{
                //    Assignee = new EntityReference(“systemuser”,string[“internalemailaddress”],”mallagurram@gmrltd.onmicrosoft.com”),
                //        Target = new EntityReference(“task”, taskid)
                //};


            }

                //<snippetFollowupPlugin3>
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
            {
                throw new InvalidPluginExecutionException(“An error occurred in the FollowupPlugin plug-in.”, ex);
            }

        }
    }
}