putObjectLockConfiguration   
  This operation is not supported for directory buckets.
Places an Object Lock configuration on the specified bucket. The rule specified in the Object Lock configuration will be applied by default to every new object placed in the specified bucket. For more information, see Locking Objects.
- The - DefaultRetentionsettings require both a mode and a period.
- The - DefaultRetentionperiod can be either- Daysor- Yearsbut you must select one. You cannot specify- Daysand- Yearsat the same time.
- You can enable Object Lock for new or existing buckets. For more information, see Configuring Object Lock. You must URL encode any signed header values that contain spaces. For example, if your header value is - my file.txt, containing two spaces after- my, you must URL encode this value to- my%20%20file.txt.