The support guys are responsive and know their job  
it's always nice when a strong team is behind a plugin, if it can help others, I leave here the snippet used to send the datas of the filled forms to a webhook ( FlowMattic, Pabbly, Zapier or Make for example) for processing (sending via API to your email marketing software for example).
https://pastebin.com/rrtYaHt3
Well done guys keep making the internet so convenient!