index.js

var app = require('express')()


app.get('/', function (req, res) {

var err = new Error('Error generated')

apm.captureError(err)

//start to 
var span = apm.startSpan('Random wait')

 if (span) span.end()
 
 res.send('Hello Elastic Lovers')
 
 var floatVal = 3.1
 
 //created error
 my_error()

  
})

app.listen(3000, () => console.log('Server running on port 3000'))