Query on Conversion Server


I am trying to understand how VaultFileConverter interface works which is mentioned in blog https://www.aras.com/community/b/english/posts/creating-custom-conversion-server-dll-s. Where can we check result file. When will interface be called? How to trigger methods inside class PartBOMDLL : VaultFileConverter.

When a conversion task is created, without adding any TaskEventHandler method, how DLL methods can be triggered? How can we pass conversion task information to DLL without TaskEventHandler methods

I am able to pass userdata to dll code, by using method attached under TaskEventHandler.

Please suggest.