server.js

// server.js
app.get('/videoTokens', (req, res) => {                                                                                                                                     
  ZiggeoSdk.Videos.index({}, (vidInfos) => {                                                                                                                                
    const videos = vidInfos.reduce((acc, vidInfo) => {                                                                                                                     
      acc.push(vidInfo.token);                                                                                                                                              
      return acc;                                                                                                                                                           
    }, []);                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                                
    res.send(videos);                                                                                                                                                   
    });
  });