How to have VASSAL print/report the current value of ALL global properties while testing

[marktb1961]

In addition to the above answer, here’s a tip for peeking at the value of any property from a piece. Use trait position or restrictions to prevent a cheating loophole if that is a concern.

Debugging Tip: Interactive Property peek

Module developers can include a reporting trait on pieces to dump out some property values whilst developing a module. Indirection allows a way of doing this at runtime. In its simplest form, to add the ability query the value of an arbitrary property from a given map; Select the piece that you wish to query in real-time. For global properties, select a piece that is always on the map/zone that you want to perform your query in. To this piece, add Dynamic Property and Report Action traits and…

Core vassal also has a console level property peek function but this is disabled for multiplayer games which seems to include all the preset scenarios that I tried to test it with.