Here is a list of functionality supported by the parser and engine. Over time, these will be revisited and any missing items will hopefully be implemented.

Camunda Functionality supported? Expressions?
Start Event Yes N/A
End Event Yes N/A
Service Task Yes No
User Task Yes No
Manual Task No N/A
Script Task No N/A
Business Rule Task No N/A
Exclusive Gateway Yes No
Sequence Flow Yes Yes
Call Activity Yes No
Send Task No N/A
Message Intermediate Throw Event Yes No
Message Intermediate Catch Event Yes No
Timer Intermediate Catch Event Yes No
Error Boundary Event Yes No
Timer Boundary Event No No