/// <summary>
        /// Create a Service Lead 
        /// </summary>
        /// <param name="ownerPartyId"></param>
        /// <param name="orgExternalRef"></param>
        /// <param name="contactExternalRef"></param>
        /// <param name="name"></param>
        /// <returns></returns>
        public long? CreateServiceLead(long? ownerPartyId, long? orgExternalRef, long? contactExternalRef, string name)
        {
            ILeadService service = LeadService.GetService();
            LeadModel model = new LeadModel();
            model.Name = name;

            if (orgExternalRef != null)
            {
                model.CustomerId = (long)orgExternalRef;
                model.CustomerIdSpecified = true;
            }
            
            model.OwnerId = (long)ownerPartyId;
            model.OwnerIdSpecified = true;
            model.PrimaryContactId = (long)contactExternalRef;
            model.PrimaryContactIdSpecified = true;

            LeadModel result = service.CreateServiceLead(model);

            if (result != null && result.LeadId != null)
            {
                return result.LeadId;
            }
            return null;
        }
        /// <summary>
        /// Create a ServiceLead in OSC
        /// </summary>
        /// <param name="leadModel">LeadModel</param>
        /// <returns></returns>
        public LeadModel CreateServiceLead(LeadModel leadModel)
        {
            LeadModel resultModel = null;
            try
            {
                if (leadModel != null)
                {
                    ServiceLead lead = new ServiceLead();
                    lead.Name = leadModel.Name;
                    lead.CustomerId = leadModel.CustomerId;
                    lead.CustomerIdSpecified = leadModel.CustomerIdSpecified;
                    lead.PrimaryContactId = leadModel.PrimaryContactId;
                    lead.PrimaryContactIdSpecified = leadModel.PrimaryContactIdSpecified;
                    lead.OwnerId = leadModel.OwnerId;
                    lead.OwnerIdSpecified = leadModel.OwnerIdSpecified;

                    if (!OSCCommonUtil.ValidateCurrentSiteName())
                    {
                        resultModel = new LeadModel();
                        resultModel.LeadId = OSCOpportunitiesCommon.DefaultOpportunitySalesLeadID;
                        return resultModel;
                    }
                    ServiceLead result = _leadService._leadClient.createLead(lead);
                    resultModel = new LeadModel();
                    resultModel.LeadId = result.LeadId;
                }
            }
            catch (Exception exception)
            {
                _logger.Debug("Error occured while creating lead. Lead Not Created in Sales Cloud. Exception: " + exception.StackTrace);
                MessageBox.Show(OSCExceptionMessages.LeadOpportunityCannotBeCreated, OSCExceptionMessages.LeadNotCreatedTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            return resultModel;
        }