PSA version referenced: 3.11 Figuring out Primary Keys, Primary Fields and option set values in Dynamics 365 Project Service Automation sometimes takes a bit of time and effort. While there are some sources out these such as the Web API Reference and the Entity Reference , it makes life easier to have all relevant PSA entities and option sets easily available from a single source. This post will list all Primary Key + Primary Field pairs and option sets for PSA, excluding Business Process Flows... Read the full text.