GraphDefinition example

{
  "resourceType" : "GraphDefinition",
  "id" : "example",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }],
  "url" : "http://h7.org/fhir/GraphDefinition/example",
  "name" : "DocumentGenerationTemplate",
  "title" : "Document Generation Template",
  "status" : "draft",
  "date" : "2015-08-04",
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "Specify to include list references when generating a document using the $document operation",
  "start" : "comp1",
  "node" : [{
    "nodeId" : "comp1",
    "description" : "The base composition",
    "type" : "Composition",
    "profile" : "http://hl7.org/fhir/StructureDefinition/clinicaldocument"
  },
  {
    "nodeId" : "list1",
    "description" : "A list resource that a section entry reference points to",
    "type" : "List"
  },
  {
    "nodeId" : "resN",
    "description" : "Generic resource that's the target of a list reference",
    "type" : "Resource"
  }],
  "link" : [{
    "description" : "Link from Composition.section to list",
    "sourceId" : "comp1",
    "path" : "Composition.section.entry",
    "targetId" : "list1",
    "compartment" : [{
      "use" : "requires",
      "rule" : "identical",
      "code" : "Patient"
    }]
  },
  {
    "description" : "Include any list entries",
    "sourceId" : "list1",
    "path" : "List.entry.item",
    "targetId" : "resN",
    "compartment" : [{
      "use" : "requires",
      "rule" : "identical",
      "code" : "Patient"
    }]
  }]
}