Decision Tables

FEEL (Friendly Enough Expression Language) was created by the Object Management Group (OMG) “as part of the DMN standard”. Its goal is to be easy to understand, and at the same time, be full-featured enough to handle decision tables and literal expressions. When business and IT often work together on complex projects, writing expressions in a (relatively) accessible way reduces miscommunications and helps align teams. Camunda uses FEEL to map and transform business process data dynamically. For example, a loan application process pulls a credit score from an API call into a decision table. The decision table automates the next step of the process depending on the rules in the table. The data from the decision automation can then be...

Happy Birthday DMN DMN has proven to be a very popular and well adopted standard for describing and executing business rules. It’s uptake among Camunda users alone has been very impressive, especially considering it’s a standard that’s only about a year old. It’s popularity has given us the perfect excuse to implement even more elements of the standard. In fact since we first started to support it, we’ve been asked about when we intend to implement DRDs (Decision Requirements Diagram). With the release of Camunda 7.6 we’ve done just that. This post is simply a way of showing how to use DRDs and is especially relevant if you’re already familiar with DMN tables. Assignment Use Case DMN has become a...