anchor.diff:  
   %% COMMANT TYPES AND ATTR FIELDS
   
  +-define(TYPE_CUSTOM, <<"custom">>).
  +-define(TYPE_IDENTIFICATION, <<"deviceIdentification">>).
   -define(TYPE_POSITION_SINGLE, <<"positionSingle">>).
   -define(TYPE_POSITION_PERIODIC, <<"positionPeriodic">>).
   -define(TYPE_POSITION_STOP, <<"positionStop">>).
  
positive.code: -define(TYPE_SET_TIMEZONE, <<"setTimezone">>).
  -define(TYPE_REQUEST_PHOTO, <<"requestPhoto">>).
  -define(TYPE_REBOOT_DEVICE, <<"rebootDevice">>).
  -define(TYPE_MOVEMENT_ALARM, <<"movementAlarm">>).
  -define(TYPE_SEND_SMS, <<"sendSms">>).
  
  -define(KEY_UNIQUE_ID, <<"uniqueId">>).
  -define(KEY_FREQUENCY, <<"frequency">>).
  -define(KEY_TIMEZONE, <<"timezone">>).
  -define(KEY_DEVICE_PASSWORD, <<"devicePassword">>).
  -define(KEY_RADIUS, <<"radius">>).
  -define(KEY_PHONE_NUMBER, <<"phoneNumber">>).
  -define(KEY_MESSAGE, <<"message">>).
  
  -define(ALARM_GENERAL, <<"general">>).
  -define(ALARM_SOS, <<"sos">>).
  
negative.code: -define(ALARM_FOOT_BRAKE, <<"footBrake">>).
  -define(ALARM_OIL_LEAK, <<"oilLeak">>).
  -define(ALARM_TAMPERING, <<"tampering">>).
  
  -endif. % RECORDS_HRL
  