Function to retrieve and save all of the attachments to a message by id of the message.
gm_save_attachments(x, attachment_id = NULL, path = ".", user_id = "me")Other message:
gm_attachment(),
gm_delete_message(),
gm_import_message(),
gm_insert_message(),
gm_messages(),
gm_message(),
gm_modify_message(),
gm_save_attachment(),
gm_send_message(),
gm_trash_message(),
gm_untrash_message()
if (FALSE) { # \dontrun{
# save all attachments
gm_save_attachments(my_message)
# save a specific attachment
gm_save_attachments(my_message, "a32e324b")
} # }