isAbsentOnVacation

public static
\Bitrix\Intranet\UserAbsence::isAbsentOnVacation(
   $userId,
   $returnToDate = false
);

Method checks if a specific user is on vacation. Returns true when user is on vacation.

Class	Description	Available from version
userId	User ID
returnToDate	False by default. When set to true returns user vacation final date.