\_security
The standard search parameter _security
is used to match resources based on security labels in the Resource.meta.security element.
Examples:
GET /fhir/Observation?_security=http://terminology.hl7.org/CodeSystem/v3-Confidentiality|R
GET /fhir/Observation?_security:not=http://terminology.hl7.org/CodeSystem/v3-Confidentiality|R