$arFilter = Array(
'CHECK_PERMISSIONS' => 'N',
'OWNER_ID'=>$filterData['ID_DEAL_LEAD'],
'TYPE_ID' => array(1),
'COMPLETED'=>'N',
/*'>=CREATED' => $dateFrom, //формат '28.04.2019 20:16:00',
'<=CREATED' => $dateTo,
'>=END_TIME' => $dateFrom,
'<=END_TIME' => $dateTo*/
);
$dbActivity = \CCrmActivity::GetList(array('CREATED'=>'DESC'), $arFilter, false, false, $arFields, array());
while($row = $dbActivity->fetch())
{
}