This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions  . Page versions: R5 R4B R4
. Page versions: R5 R4B R4
| Clinical Decision Support Work Group | Maturity Level: N/A | Ballot Status: Informative | Compartments: Not linked to any defined compartments | 
Example of eventdefinition
{
  "resourceType": "EventDefinition",
  "id": "example",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n    </div>"
  },
  "status": "draft",
  "purpose": "Monitor all admissions to Emergency",
  "trigger": {
    "type": "named-event",
    "name": "monitor-emergency-admissions",
    "data": {
      "type": "Encounter"
    },
    "condition": {
      "description": "Encounter Location = emergency (active/completed encounters, current or previous)",
      "language": "text/fhirpath",
      "expression": "(this | %previous).location.where(location = 'Location/emergency' and status in {'active', 'completed'}).exists()"
    }
  }
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.