End event in Ajax TruClient script

Hi,

I'm using Ajax Truclient protocol and many a times I get a doubt on what should be the end event for the steps as well as transactions.

In some forums they say it should be kept as Automatic , if that's the case should the end event during transaction definition also be the same?

Eg - Clicking on Login

Step end event - Automatic - document loaded

End point (during transaction defintion) - Document loaded

Thanks.