-> | PUTNOTIF type=temperature severity=warning time=1201094702 message=The roof is on fire!
<- | 0 Success
+=item B<FLUSH> [I<Timeout>]
+
+Flushes all cached data older than I<Timeout> seconds. If no timeout has been
+specified, it defaults to -1 which causes all data to be flushed.
+
+Example:
+ -> | FLUSH
+ <- | 0 Done
+
=back
=head2 Identifiers