I’m also trying to create a calculated property using the same endpoint but with the following calculationFormula:
"calculationFormula": "time_between(date__enrolled, date__exited)"
but I get this error message: “numberDisplayHint must be ‘duration’ for a time-between property”
If you don’t mind, can you do a test to see if you’re able to create a property using that function @PD_ @GregP
Or is this a know limitation/bug @Jaycee_Lewis ?