Как создать звонок или встречу для кастомного объекта

              String crmconnection = "Server=http://crm/FixRM";
              CrmConnection connection = CrmConnection.Parse(crmconnection);
              OrganizationService service = new OrganizationService(connection);
  
              WhoAmIRequest userRequest = new WhoAmIRequest();
              WhoAmIResponse userResponse = (WhoAmIResponse) service.Execute(userRequest);
  
              // Create the ActivityParty instance.
              ActivityParty me = new ActivityParty
              {
                  PartyId = new EntityReference(SystemUser.EntityLogicalName, userResponse.UserId)
              };
  
              ActivityParty customparty= new ActivityParty
              {
                  //
                  PartyId = new EntityReference("fixrm_customparty", new Guid("6793AD07-E70E-E311-8E30-080027004A52"))
              };
  
              // Create the appointment instance.
              Appointment appointment = new Appointment
              {
                  Subject = "Test Appointment",
                  Description = "Test Appointment created using the BookRequest Message.",
                  ScheduledStart = DateTime.Now.AddHours(1),
                  ScheduledEnd = DateTime.Now.AddHours(2),
                  Location = "Office",
                  RequiredAttendees = new ActivityParty[] { me, customparty},
                  Organizer = new ActivityParty[] { me }
              };
  
              // Use the Book request message.
              Guid id = service.Create(appointment);

if (typeof (FixRM) == "undefined")
  { FixRM = { __namespace: true }; }
  
  /*
  Events
  FixRM.CustomActivityParty.AddPartyTypeOnLoad
  */
  
  FixRM.CustomActivityParty = {
      AddPartyTypeOnLoad: function (settings)
      {
          for (var setting in settings)
          {
              var parties = settings[setting];
  
              for (var i = 0; i < parties.length; i++)
              {
                  var party = parties[i];
  
                  this.AddPartyType(setting, party.otc, party.schema, party.schemaName);
  
                  if (party.isDefault == true)
                  {
                      this.SetDefaultParty(setting, party.otc, party.DefaultViewId);
                  }
              }
          }
      },
  
      AddPartyType: function (name, otc, schema, schemaName)
      {
          function ApendAttributeValue(node, name, separator, value)
          {
              var attribute = node.getAttribute(name);
              var attributeValues = attribute.split(separator);
              attributeValues.push(value);
  
              attribute = attributeValues.join(separator);
              node.setAttribute(name, attribute);
          }
  
          var lookup = document.getElementById(name);
          if (lookup && lookup.attributes)
          {
              ApendAttributeValue(lookup, "lookuptypes", ",", otc);
  
              var icoPath = Xrm.Page.context.prependOrgName("/_Common/icon.aspx?cache=1&iconType=GridIcon&objectTypeCode=" + otc);
              ApendAttributeValue(lookup, "lookuptypeIcons", ":", icoPath);
  
              if (schema && schemaName)
              {
                  var lookuptypename = schema + ":" + otc + ":" + schemaName;
                  ApendAttributeValue(lookup, "lookuptypenames", ",", lookuptypename);
              }
          }
      },
  
      SetDefaultParty: function (name, otc, view)
      {
          var lookup = document.getElementById(name);
          if (lookup && lookup.attributes)
          {
              lookup.setAttribute("defaulttype", otc);
              if (view)
              {
                  lookup.setAttribute("defaultViewId", view);
              }
          }
      },
  
      __namespace: true
  };

{
   1: [     ],
   2: [     ]
}

{
  otc: <  >,
  schema: <  >,
  schemaName: <  (        REST)>,
  isDefault: <          .  >,
  DefaultViewId: <      .  ,       >
}