EmailCollector : How do the actions work?

Hello, I’m a little desperate with the EmailCollector module and I hope I’ll find help. I managed to connect my email inbox with Dolibarr. I can filter the unread emails and create events in the agenda when the mails are processed.

But the events created in the agenda are not related to any Thirdparty and I’d like Dolibarr to manage this. However, the documentation says nothing about filters and actions. Does anybody know how to link a thirdparty with an event thanks to the EmailCollector module ? Even if you are not exactly sure, don’t hesitate to give any piece of advice because I feel a little lost.

Thanks