Function to modify the labels on a given message by id. Note you need to use the label ID as arguments to this function, not the label name.
gm_modify_message(id, add_labels = NULL, remove_labels = NULL, user_id = "me")Other message:
gm_attachment(),
gm_delete_message(),
gm_import_message(),
gm_insert_message(),
gm_messages(),
gm_message(),
gm_save_attachments(),
gm_save_attachment(),
gm_send_message(),
gm_trash_message(),
gm_untrash_message()
if (FALSE) { # \dontrun{
gm_modify_message(12345, add_labels = "label_1")
gm_modify_message(12345, remove_labels = "label_1")
# add and remove at the same time
gm_modify_message(12345, add_labels = "label_2", remove_labels = "label_1")
} # }