Write-only. Strings written to this attribute will end up in the device's log file.
Read-only. When read from index [i0, i1], the sum of the integers between i0 and i1 will be returned.
The value field.
|add-log||add a text line to the device log|
|info||print information about the device|
|range-sum||calculate range sum|
|status||print status of the device|