Issues in when integrating with FB bot.

[DevPnws]

When I'm trying to integrate with FB bot, I'm unable to get entities at back-end(node) and heroku throws error as it don't understand new ECMAScript 6 features.

[Sigmus]

#62

[DevPnws]

Hi @Sigmus , thanks for quick reply.

I have updated my package.json file with

"engines": {
"node": "6.2.2"
}

yet on heroku, warning keeps on popping and I'm unable top get the context and entities values in the back-end(node). I'm unable to figure out the issue

please find the attachment for reference.