var player = videojs('video21286', {}, function() { // Player is initialized and ready. if (typeof mux !== "undefined") { mux.monitor(this.el(), { // pass the player element, safer than ID string debug: false, data: { env_key: "6s8mjdv1775qv4asq0tdj97sc", player_name: "SquareOff Player", video_id: "5", } }); } });