Parlay is an open-source tool that can enrich Software Bill of Materials (SBOM) data by adding additional information. This can be used to write more powerful policies for decision-making based on SBOM data, such as license policies and vulnerability policies. With parlay, the size of the enriched SBOM can increase by over 400%, providing a wealth of new data for analysis and policy creation. By using tools like Open Policy Agent and Rego programming language, users can create complex logic to automate decision-making processes based on SBOM data. The tool also provides flexibility in terms of compatibility with other policy tools and languages.