Character vector of screen names or user ids.
See as_screenname() for more details.
destroy
Logical indicating whether to post (add) or
remove (delete) target tweet as favorite.
mute
Logical indicating whether to mute the intended
friend (you must already be following this account prior
to muting them)
notify
Logical indicating whether to enable notifications
for target user. Defaults to false.
retweets
Logical indicating whether to enable retweets
for target user. Defaults to true.
token
Use this to override authentication for
a single API call. In many cases you are better off changing the
default for all calls. See auth_as() for details.