In the Entity Editor tab, clicking Add KeyValue creates a new kv with newproperty newvalue. Renaming these to the values you want and then saving the bsp reverts the new kv back to newproperty newvalue instead.
Adding the new value in the Raw Entities tab does work, however.
In the Entity Editor tab, clicking Add KeyValue creates a new kv with
newproperty newvalue. Renaming these to the values you want and then saving the bsp reverts the new kv back tonewproperty newvalueinstead.Adding the new value in the Raw Entities tab does work, however.