We frequently use a custom Ref Des Pattern, but we've mostly used BLOCK_NUM and SUBDESIGN_SUFFIX (user-created properties). Allergo documentation also mentions $PAGE and $DRAWING. I couldn't find any info beyond these 2 in Cadence Help or COS. Are there more built-in properties which I can use?
I experimented by packaging after guessing a property name and I didn't stumble across any new properties. However, and it appears when I put in a wrong property name it's simply ignored by PXL.
Custom Variables provide lots of included properties for making Custom Text strings, but I don't know if it's possible to access them as part of a custom Ref Des Pattern. Can I use a Custom Variable? All of them I've tried don't work.
Also, I have questions with the 2 included properties mentioned above: