Sample Event - Email Reviewer

using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using Contracts.Data;
 namespace ScriptExample
 {
     /// <summary>
     /// A script to send an email to the Job Reviewer after a file is added
     /// </summary>
     public class Script : SynergyServerScripting.ServerEventScript
     {
         /// <summary>
         /// Execute after a file is added - find the project reviewer and send them email
         /// </summary>
         /// <param name="file_id">the id of the new file</param>
         /// <param name="change_data">information about the file change</param>
         /// <param name="database">the database connection</param>
         /// <param name="user_id">the id of the user who made the change</param>
         /// <param name="client">the client comms channel</param>
         /// <param name="client_event_id">the client event</param>
         /// <returns>the operation response</returns>
         public override Contracts.Responses.OperationResponse OnAfterFileAdd(Contracts.Data.EntityID file_id, Contracts.Data.FileChangeData change_data, Contracts.Databases.IDatabase database, Contracts.Data.EntityID user_id, Contracts.ServiceContracts.IClient client, long client_event_id)
         {
             // what project did this belong to?
             EntityID project_id = SynergyServerScripting.Entities.File.GetFileProject(file_id, database);
             if (project_id == null)
                 return Contracts.Responses.OperationResponse.Error(client_event_id, "Unable to find project!");
             // find the Project Reviewer attribute
             AttributeValue value = SynergyServerScripting.Entities.Project.GetProjectAttributeValue(project_id, "Job Reviewer", database);
             if (value == null)
                 return Contracts.Responses.OperationResponse.Error(client_event_id, "Project reviewer not set!");
             object attrib_val = value.Value;
             ContactInfo reviewer = null;
             if (value is AttributeContactValue)
             {
                 reviewer = attrib_val as ContactInfo;
             }
             if (reviewer == null)
                 return Contracts.Responses.OperationResponse.Error(client_event_id, "Job reviewer not set!");
 
             // get the user info object for our current user
             ContactInfo contact = SynergyServerScripting.Entities.Contact.GetContactInfo(user_id, false, database);
             // get the file info for the new file
             FileInfo file = SynergyServerScripting.Entities.File.GetFileInfo(file_id, false, database);
             // prepare and send an email
             List <ContactInfo> recipients = new List<ContactInfo>();
             recipients.Add(reviewer);
             var email_template = new EmailTemplate(EmailTemplateCategory.Custom, "FileAdded", "A new file has been added", "A new file (" + file.path + ") has been added!");
             SynergyServerScripting.Entities.Emailer.SendEmail(email_template, recipients, new List<ContactInfo>(), false);
             return new Contracts.Responses.OperationResponse(client_event_id);
         }
     }
 }