$folder
->add_label (msg_num
,label
)
Associates the label
label
with the message
msg_num
. Returns
1
on success or
0
if the label has a length of 0. Possible values of
label
are:
deleted
Used by
delete_message
and
sync
to process message deletion.
edited
Added by
update_message
to indicate that the message has been edited.
filed
,
forwarded
,
printed
,
replied
Not acted on.
seen
Message has been viewed by the user. Set by
get_message
for any message it has
retrieve
d.