static function getQuoteSortFields()
{
$fields = array(
'QUOTE_SUMMARY' => array('id' => 'QUOTE_SUMMARY', 'name' => GetMessage('CRM_COLUMN_QUOTE_QUOTE'), 'sort' => 'quote_summary'),
'STATUS_ID' => array('id' => 'STATUS_ID', 'name' => GetMessage('CRM_COLUMN_QUOTE_STATUS_ID'), 'sort' => 'status_sort'),
'CLOSEDATE' => array('id' => 'CLOSEDATE', 'name' => GetMessage('CRM_COLUMN_QUOTE_CLOSEDATE'), 'sort' => 'closedate'),
'BEGINDATE' => array('id' => 'BEGINDATE', 'name' => GetMessage('CRM_COLUMN_QUOTE_BEGINDATE'), 'sort' => 'begindate'),
'ASSIGNED_BY' => array('id' => 'ASSIGNED_BY', 'name' => GetMessage('CRM_COLUMN_QUOTE_ASSIGNED_BY'), 'sort' => 'assigned_by'),
'ID' => array('id' => 'ID', 'name' => GetMessage('CRM_COLUMN_QUOTE_ID'), 'sort' => 'id'),
'QUOTE_NUMBER' => array('id' => 'QUOTE_NUMBER', 'name' => GetMessage('CRM_COLUMN_QUOTE_QUOTE_NUMBER'), 'sort' => 'quote_number'),
'TITLE' => array('id' => 'TITLE', 'name' => GetMessage('CRM_COLUMN_QUOTE_TITLE'), 'sort' => 'title'),
'OPPORTUNITY' => array('id' => 'OPPORTUNITY', 'name' => GetMessage('CRM_COLUMN_QUOTE_OPPORTUNITY'), 'sort' => 'opportunity'),
'CURRENCY_ID' => array('id' => 'CURRENCY_ID', 'name' => GetMessage('CRM_COLUMN_QUOTE_CURRENCY_ID'), 'sort' => 'currency_id'),
'CLOSED' => array('id' => 'CLOSED', 'name' => GetMessage('CRM_COLUMN_QUOTE_CLOSED'), 'sort' => 'closed'),
'DATE_CREATE' => array('id' => 'DATE_CREATE', 'name' => GetMessage('CRM_COLUMN_QUOTE_DATE_CREATE'), 'sort' => 'date_create'),
'CREATED_BY' => array('id' => 'CREATED_BY', 'name' => GetMessage('CRM_COLUMN_QUOTE_CREATED_BY'), 'sort' => 'created_by'),
'DATE_MODIFY' => array('id' => 'DATE_MODIFY', 'name' => GetMessage('CRM_COLUMN_QUOTE_DATE_MODIFY'), 'sort' => 'date_modify'),
'MODIFY_BY' => array('id' => 'MODIFY_BY', 'name' => GetMessage('CRM_COLUMN_QUOTE_MODIFY_BY'), 'sort' => 'modify_by'),
);
return $fields;
}