attributeTypes: (
  1.3.6.1.4.1.11048.1.1.1.1
  NAME 'vacationActive'
  SINGLE-VALUE
  EQUALITY booleanMatch
  DESC 'A flag, signalling if the corresponding user is on vacation right now'
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.7
  )