WeChat.MiniProgram.Live.Room.update_comment

You're seeing just the function update_comment, go back to WeChat.MiniProgram.Live.Room module for more information.
Link to this function

update_comment(client, room_id, is_ban_comment)

Specs

update_comment(WeChat.client(), room_id(), is_ban_comment()) ::
  WeChat.response()

开启/关闭直播间全局禁言 - 官方文档