{
  "resourceType" : "ActivityDefinition",
  "id" : "activitydefinition-standard-usecontext",
  "meta" : {
    "profile" : ["http://koppeltaal.nl/fhir/StructureDefinition/KT2ActivityDefinition"]
  },
  "language" : "nl-NL",
  "text" : {
    "status" : "generated",
    "div" : "<div xml:lang=\"nl-NL\" xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"nl-NL\">Example of an ActivityDefinition using standard FHIR useContext for age and gender targeting</div>"
  },
  "extension" : [{
    "url" : "http://koppeltaal.nl/fhir/StructureDefinition/KT2EndpointExtension",
    "valueReference" : {
      "reference" : "Endpoint/endpoint123",
      "type" : "Endpoint"
    }
  }],
  "url" : "https://example.com/activities/mindfulness-adult",
  "identifier" : [{
    "use" : "official",
    "system" : "http://example.com/activity/id",
    "value" : "mindfulness-001"
  }],
  "version" : "1.4.5-beta.011",
  "name" : "Mindfulness_Adult_001",
  "title" : "Mindfulness exercise for adults",
  "status" : "active",
  "date" : "2025-10-13T17:57:43+00:00",
  "description" : "A guided mindfulness exercise designed for adults aged 18-65, suitable for all genders",
  "useContext" : [{
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
      "code" : "age"
    },
    "valueRange" : {
      "low" : {
        "value" : 18,
        "unit" : "years",
        "system" : "http://unitsofmeasure.org",
        "code" : "a"
      },
      "high" : {
        "value" : 65,
        "unit" : "years",
        "system" : "http://unitsofmeasure.org",
        "code" : "a"
      }
    }
  },
  {
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
      "code" : "gender"
    },
    "valueCodeableConcept" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/administrative-gender",
        "code" : "other",
        "display" : "Other"
      }]
    }
  },
  {
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
      "code" : "feature"
    },
    "valueCodeableConcept" : {
      "coding" : [{
        "system" : "http://vzvz.nl/fhir/CodeSystem/koppeltaal-features",
        "code" : "026-RolvdNaaste",
        "display" : "Rol van de naaste"
      }]
    }
  }],
  "topic" : [{
    "coding" : [{
      "system" : "http://vzvz.nl/fhir/CodeSystem/koppeltaal-definition-topic",
      "code" : "self-treatment"
    }]
  }]
}