Specifies the amount of detail to retrieve for the selected user. takes 3 values: "Lite", "Extra", and "Full". "Extra" and ...

Specifies the amount of detail to retrieve for the selected user. takes 3 values:  "Lite", "Extra", and "Full". "Extra" and "Full" options require the caller to have permission to read from the source mailbox, whereas the default "Lite" level only requires permission to read from Active Directory.