Building the base value of the data variable is on our roadmap. Indeed we may deprecate XDM object data element and have all the same functionality in "variable".

Having a base value for a data variable has been an oft requested feature. We will look into making this easier. There is a way to do this now though. As far as your desire to "reset" the data variable to a known state at the start of a rule, I would recommend doing this:1. Create a data variable A ...

To use the update variable action, you need to have a variable data element. Indeed, when configuring the update variable action, the first item in the form is which variable data element to use. Then use the same variable data element in the send event action as the XDM object.

Thanks for your detailed feedback! This is an area where we continue to make changes. I read your blog post, and here's an approach that you could use that may be better: 1. Create an XDM object data element that contains all the data that is the same for every event.2. In a rule create two update v...

I've seen problems with the ManageVars plugin where it overwrites the s.t function.  It looks like you are having this problem.  Check your doPlugin custom code to see if this is the case.

I have not been able to reproduce the clearVars issue you reported.  Could you give me some more information such as a link to a page where you see the problem or a link to the Launch package?