{
  "description": "The first resource in the bundle, if the bundle type is \\\"message\\\" - this is a message header, and this parameter provides access to search its contents",
  "_filename": "SearchParameter-Bundle-message.json",
  "package_name": "hl7.fhir.r4.core",
  "date": "2019-11-01T09:29:23+11:00",
  "expression": "Bundle.entry[0].resource",
  "publisher": "Health Level Seven International (FHIR Infrastructure)",
  "name": "message",
  "xpath": "f:Bundle/f:entry[0]/f:resource",
  "xpathUsage": "normal",
  "type": "reference",
  "experimental": "false",
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "4.0.1",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use"
  } ],
  "status": "draft",
  "id": "4c3d97ca-0c17-4a0b-a9d4-41958c9675a7",
  "kind": null,
  "url": "http://hl7.org/fhir/SearchParameter/Bundle-message",
  "code": "message",
  "target": [ "MessageHeader" ],
  "base": [ "Bundle" ],
  "version": "4.0.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  }, {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fiwg/index.cfm",
      "system": "url"
    } ]
  } ]
}