destroyedWhenCapturedFrom values: is a list of players who destroy a non-combat unit instead of letting it be captured. destroyedWhenCapturedFrom just takes the value input then adds "FROM:" to the beginning, then calls destroyedWhenCapturedBy with the new value.
<attatchment name="unitAttatchment" attatchTo="aaGun"javaClass="games.strategy.triplea.attatchments.UnitAttachment" type="unitType"> <option name="isAA"value="true"/> <option name="transportCost" value="3"/> <option name="movement" value="1"/> <optionname="destroyedWhenCapturedBy" value="Chinese"/> <option name="destroyedWhenCapturedFrom"value="Russians"/>