auths objectreturn or this.key = 'value', pass input data to your code viaparams, and maintain state across executions with$checkpoint.async (event, steps) => {}let _ = require('lodash')
_.set($event,'payload.timestamp', new Date().toISOString())
_.set($event,'payload.host',$event.headers.host)
_.set($event,'payload.body',$event.body)
_.set($event,'payload.raw',$event.proto)
