public JsonResult GetSearchQualifiers(int fieldId, int?contactDropdown)
        {
            var accountId = this.Identity.ToAccountID();
            GetSearchValueOptionsResponse response = advancedSearchService.GetSearchValueOptions(new GetSearchValueOptionsRequest()
            {
                FieldId           = fieldId,
                AccountId         = accountId,
                ContactDropdownId = contactDropdown,
                RoleId            = this.Identity.ToRoleID(),
                RequestedBy       = this.Identity.ToUserID(),
                IsSTAdmin         = this.Identity.IsSTAdmin()
            });

            return(Json(new
            {
                success = true,
                response = response.FieldValueOptions
            }, JsonRequestBehavior.AllowGet));
        }