This value set has an inline code system http://hl7.org/fhir/cds-rule-trigger-type, which defines the following codes:
| Code | Display | Definition |
| named-event | Named Event | The trigger occurs in response to a specific named event |
| periodic | Periodic | The trigger occurs at a specific time or periodically as described by a timing or schedule |
| data-added | Data Added | The trigger occurs whenever data of a particular type is added |
| data-modified | Data Modified | The trigger occurs whenever data of a particular type is modified |
| data-removed | Data Removed | The trigger occurs whenever data of a particular type is removed |
| data-accessed | Data Accessed | The trigger occurs whenever data of a particular type is accessed |
| data-access-ended | Data Access Ended | The trigger occurs whenever access to data of a particular type is completed |