Hey there 
I got a datatype of type multinode treepicker (MNTP) that I want to use in a macro to pick a node with. I managed to get it to show up in the list of different editors for the macro.
I use “$current” as an Xpath expression to set the start node for it so it can be used everywhere on the site.
However .. it only seems to work when used in a doctype and not in a macro (setting start node to current)
Any ideas on where to begin debugging ?
This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/70595-mntp-xpath-expression-for-startnode