Develop and Deploy Synchronous CDS Hooks Services with the Healthcare Action Engine Introduction to Building Synchronous CDS Hooks Services The Components of a Synchronous Service Define Combinations of Triggers, Rules, and Cards Access the Configuration Application Triggers Rules Cards Actions Create Rules to Evaluate Conditions Using the Rule Editor Rule Editor — Basic Actions Edit Rule Logic Elements Add Rule Logic Elements Build a FHIR Query Healthcare Action Engine Settings Allow Lists Configuring Rule Inputs Adding Code System Shortcuts Rule Functions