Decision Explainer Tooling API Objects
Decision Explainer objects store and locate the metadata
associated with every business rule.
Tooling API exposes metadata used in developer tooling that you can access through REST or SOAP. Tooling API’s SOQL capabilities for many metadata types allow you to retrieve smaller pieces of metadata. For more information about Tooling API objects and to find a complete reference of all the supported objects, see Introducing Tooling API.