post_message(text, user, media =NULL, token =NULL)
Arguments
text: Character, text of message.
user: Character vector of screen names or user ids. See as_screenname() for more details.
media: File path to image or video media to be included in tweet.
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.