Category: Dynamics 365

string ConnectionString = "AuthType = OAuth; " +
"Username = userid;" +
"Password = pwd; " +
"Url = https://mydev.crm.dynamics.com/;" +
"AppId=51f81489-12ee-4a9e-aaae-a2591f45987d;" +
"RedirectUri=app://58145B91-0C36-4500-8554-080854F2AC97;" +
"LoginPrompt=Auto";

            CrmServiceClient svc = new CrmServiceClient(ConnectionString);

            if (svc.IsReady)
            {
                
                // guid of the contact record 
                Guid contactID = new Guid("0bd90832-bb52-eb11-bb23-000d3a5696d2");

                // initializing activity party entity
                Entity fromAP = new Entity("activityparty");
                Entity toAP = new Entity("activityparty");
                fromAP["partyid"] = new EntityReference("systemuser", new Guid("7de293e1-8352-eb11-bb23-000d3a569919"));
                toAP["partyid"] = new EntityReference("contact", contactID);

                // using the addressused attribute
                toAP["addressused"] = "nishant.rana.bliss@gmail.com";

                // create email record
                Entity email = new Entity("email");
                email["from"] = new Entity[] { fromAP };
                email["to"] = new Entity[] { toAP };
                email["regardingobjectid"] = new EntityReference("contact", contactID);
                email["subject"] = "Sample Subject";
                email["description"] = "This is sample description.";             
                Guid emailId = svc.Create(email);

                // Send email
                SendEmailRequest sendEmailRequest = new SendEmailRequest
                {
                    EmailId = emailId,                   
                    IssueSend = true
                };

                SendEmailResponse sendEmailResponse = (SendEmailResponse)svc.Execute(sendEmailRequest);

            }