DisplayService::fillDateStart

public function fillDateStart(string $date): ?array
{
	$date = $date !== '' ? (new DateTime($date))->format(BitrixTasksUI::getDateTimeFormat()) : null;
	$dateStartField = $this->kanbanUserSettings->getDateStarted();
	return $this->required($dateStartField->getCode()) && $date
		? ['value' => $date, 'label' => $dateStartField->getTitle()]
		: null;
}