Sample: Validate an appointment

Applies to Dynamics 365 for Customer Engagement apps version 9.x

This sample code is for Dynamics 365 for Customer Engagement. Download the complete sample from Sample: Work with Schedules and Appointments.


Internet connection is required to download the sample project and to restore the NuGet packages used in the sample project.


For more information about the requirements for running the sample code provided here, see Use the sample and helper code.


This sample shows how to validate an appointment using the ValidateRequest message.


using System;
using System.Linq;
using System.ServiceModel;
using System.ServiceModel.Description;

// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Discovery;
using Microsoft.Xrm.Sdk.Messages;

// This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
// found in the SDK\bin folder.
using Microsoft.Crm.Sdk.Messages;

namespace Microsoft.Crm.Sdk.Samples
    public class Validate
        #region Class Level Members

        /// <summary>
        /// Stores the organization service proxy.
        /// </summary>
        private OrganizationServiceProxy _serviceProxy;

        // Define the IDs needed for this sample.
        private Guid _contactId;
        private Guid _appointmentId;        

        #endregion Class Level Members

        #region How To Sample Code
        /// <summary>
        /// Create and configure the organization service proxy.
        /// Initiate the method to create any data that this sample requires.
        /// Verify whether an appointment has valid resources for the appointment activity.        
        /// Optionally delete any entity records that were created for this sample.
        /// </summary>
        /// <param name="serverConfig">Contains server connection information.</param>
        /// <param name="promptforDelete">When True, the user will be prompted to delete all
        /// created entities.</param>
        public void Run(ServerConnection.Configuration serverConfig, bool promptForDelete)

                // Connect to the Organization service. 
                // The using statement assures that the service proxy will be properly disposed.
                using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
                    // This statement is required to enable early-bound type support.

                    // Call the method to create any data that this sample requires.

                    // Retrieve the appointment to be validated
                    ColumnSet cols = new ColumnSet("scheduledstart", "scheduledend", "statecode", "statuscode");
                    Appointment retrievedAppointment = (Appointment)_serviceProxy.Retrieve(Appointment.EntityLogicalName,
                                                               _appointmentId, cols);

                    // Use the Validate message
                    ValidateRequest validatedReq = new ValidateRequest();
                    validatedReq.Activities = new EntityCollection();
                    validatedReq.Activities.MoreRecords = false;
                    validatedReq.Activities.PagingCookie = "";
                    validatedReq.Activities.EntityName = Appointment.EntityLogicalName;

                    ValidateResponse validateResp = (ValidateResponse)_serviceProxy.Execute(validatedReq);
                    // Verify success
                    if ((validateResp.Result != null) && (validateResp.Result.Length > 0))
                        Console.WriteLine("Validated the appointment.");                        

            // Catch any service fault exceptions that Microsoft Dynamics CRM throws.
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
                // You can handle an exception here or pass it back to the calling method.

        /// <summary>
        /// This method creates any entity records that this sample requires.
        /// Create a new recurring appointment.
        /// </summary>
        public void CreateRequiredRecords()
            // Create a contact
            Contact newContact = new Contact
                FirstName = "Lisa",
                LastName = "Andrews",
                EMailAddress1 = ""
            _contactId = _serviceProxy.Create(newContact);
            Console.WriteLine("Created contact: {0}.", newContact.FirstName + " " + newContact.LastName);

            // Create ab activity party
            ActivityParty requiredAttendee = new ActivityParty
                PartyId = new EntityReference(Contact.EntityLogicalName, _contactId)
            // Create an appointment
            Appointment newAppointment = new Appointment
                Subject = "Test Appointment",
                Description = "Test Appointment",
                ScheduledStart = DateTime.Now.AddHours(1),
                ScheduledEnd = DateTime.Now.AddHours(2),
                Location = "Office",
                RequiredAttendees = new ActivityParty[] {requiredAttendee}
            _appointmentId = _serviceProxy.Create(newAppointment);
            Console.WriteLine("Created {0}.", newAppointment.Subject);

        /// <summary>
        /// Deletes any entity records that were created for this sample.
        /// <param name="prompt">Indicates whether to prompt the user to delete 
        /// the records created in this sample.</param>
        /// </summary>
        public void DeleteRequiredRecords(bool prompt)
            bool deleteRecords = true;

            if (prompt)
                Console.WriteLine("\nDo you want these entity records to be deleted? (y/n)");
                String answer = Console.ReadLine();

                deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));

            if (deleteRecords)
                _serviceProxy.Delete(Appointment.EntityLogicalName, _appointmentId);
                _serviceProxy.Delete(Contact.EntityLogicalName, _contactId);
                Console.WriteLine("Entity records have been deleted.");

        #endregion How To Sample Code

        #region Main
        /// <summary>
        /// Standard Main() method used by most SDK samples.
        /// </summary>
        /// <param name="args"></param>
        static public void Main(string[] args)
                // Obtain the target organization's Web address and client logon 
                // credentials from the user.
                ServerConnection serverConnect = new ServerConnection();
                ServerConnection.Configuration config = serverConnect.GetServerConfiguration();

                Validate app = new Validate();
                app.Run(config, true);

            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
                Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
                Console.WriteLine("Message: {0}", ex.Detail.Message);
                Console.WriteLine("Plugin Trace: {0}", ex.Detail.TraceText);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
            catch (System.TimeoutException ex)
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Message: {0}", ex.Message);
                Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
            catch (System.Exception ex)
                Console.WriteLine("The application terminated with an error.");

                // Display the details of the inner exception.
                if (ex.InnerException != null)

                    FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe
                        = ex.InnerException
                        as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
                    if (fe != null)
                        Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
                        Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
                        Console.WriteLine("Message: {0}", fe.Detail.Message);
                        Console.WriteLine("Plugin Trace: {0}", fe.Detail.TraceText);
                        Console.WriteLine("Inner Fault: {0}",
                            null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
            // Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
            // SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.


                Console.WriteLine("Press <Enter> to exit.");

        #endregion Main

See also

Sample Code for Schedule and Appointment Entities
Sample: Create, Retrieve, Update, and Delete a Recurring Appointment
Appointment Entities
Sample: CrmServiceHelper Class