Список обязательных полей для cущностей Account, Lead, Contact

06.48.2017 14:48:26,472  INFO BpmConnector:56 - 11 * Sending client request on thread http-nio-8443-exec-3
11 > POST https://004057-sales-enterprise.bpmonline.com/0/ServiceModel/EntityDataS... > Accept: application/atom+xml;type=entry;charset=utf-8
11 > Authorization: Basic TWFyaW5hOk1hUmlONGlL
11 > Content-Type: application/json;odata=verbose;type=entry
{"LeadName":null,"Contact":"Новый контакт","MobilePhone":"+380991112233","CreatedBy":null,"ModifiedBy":null,"Owner":null}

06.48.2017 14:48:26,758  INFO BpmConnector:56 - 12 * Client response received on thread http-nio-8443-exec-3
12 500
12 Cache-Control: no-cache
12 Content-Length: 724
12 Content-Type: application/xml;charset=utf-8
12 DataServiceVersion: 1.0;
12 Date: Mon, 06 Feb 2017 12:48:23 GMT
12 Server: Microsoft-IIS/8.5
12 Set-Cookie: BPMSESSIONID=0azjot4gqr0dqjmvcln4k0ri; path=/; HttpOnly
12 X-AspNet-Version: 4.0.30319
12 X-Content-Type-Options: nosniff
12 X-Frame-Options: SAMEORIGIN
12 X-Powered-By: ASP.NET
3Поле Email является обязательным для заполненияПоле Email является обязательным для заполненияTerrasoft.Core.Entities.RequiredColumnsEmptyValuesException   at Terrasoft.Core.Entities.Services.ServiceContext.SaveChanges()
   at System.Data.Services.DataService`1.HandleNonBatchRequest(RequestDescription description)
   at System.Data.Services.DataService`1.HandleRequest()