You can expose the Rulesheet and rule for items that you have specified in rule statements, including selected values as illustrated:

Figure 1. Rule messages when metadata is enabled in Studio
To enable this function, add a line to the brms.properties as:
com.corticon.reactor.rulestatement.metadata=true
After deployment, testing execution of the Decision Service in the Studio and in the Web Console shows that the metadata is exposed in the response, as shown for the Web Console:
While this can be useful in tracing deployment problems, the metadata will remain in production until you shut off the feature and generate a new decision service.