Список задач

CModule::IncludeModule("tasks");
CBXFeatures::IsFeatureEnabled('Tasks');

$allTask = array();
//RESPONSIBLE_ID - ответственный
//ACCOMPLICE - Соисполнители
//AUDITOR - Наблюдатели
$arFilter = array("::LOGIC"=>"AND", "RESPONSIBLE_ID"=>1,  "REAL_STATUS"=>array(1,2,3), "CHECK_PERMISSIONS"=>"Y", "ONLY_ROOT_TASKS"=>"Y", "SAME_GROUP_PARENT"=>"Y");
list($data, $rsItems) = CTaskItem::fetchList(1, array(), $arFilter, array(), array());
foreach ($data as $oTaskItem) {
    $task = $oTaskItem->getData();
    $allTask[] = $task;
}