Example showing how to define Section Level Profiles

{
  "resourceType": "StructureDefinition",
  "id": "example-section-library",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: StructureDefinition</b><a name=\"example-section-library\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource StructureDefinition &quot;example-section-library&quot; </p></div><p><b>url</b>: <code>http://hl7.org/fhir/StructureDefinition/example-section-library</code></p><p><b>identifier</b>: id: urn:oid:2.16.840.1.113883.4.642.5.1041</p><p><b>name</b>: DocumentSectionLibrary</p><p><b>title</b>: Document Section Library (For testing section templates)</p><p><b>status</b>: active</p><p><b>experimental</b>: false</p><p><b>date</b>: 2018-11-05T17:57:00+11:00</p><p><b>kind</b>: resource</p><p><b>abstract</b>: true</p><p><b>type</b>: <a href=\"composition.html\">Composition</a></p><p><b>baseDefinition</b>: <a href=\"composition.html\">Composition</a></p><p><b>derivation</b>: constraint</p><blockquote><p><b>differential</b></p><blockquote><p><b>element</b></p><p><b>path</b>: Composition</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section</p><p><b>sliceName</b>: procedure</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.title</p><p><b>min</b>: 1</p><p><b>fixed</b>: Procedures Performed</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.code</p><p><b>min</b>: 1</p><p><b>pattern</b>: Procedure Narrative <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#29554-3)</span></p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section</p><p><b>sliceName</b>: medications</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.title</p><p><b>min</b>: 1</p><p><b>fixed</b>: Medications Administered</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.code</p><p><b>min</b>: 1</p><p><b>pattern</b>: Medication administered Narrative <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#29549-3)</span></p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section</p><p><b>sliceName</b>: plan</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.title</p><p><b>min</b>: 1</p><p><b>fixed</b>: Discharge Treatment Plan</p></blockquote><blockquote><p><b>element</b></p><p><b>path</b>: Composition.section.code</p><p><b>min</b>: 1</p><p><b>pattern</b>: Plan of treatment (narrative) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#18776-5)</span></p></blockquote></blockquote></div>"
  },
  "url": "http://hl7.org/fhir/StructureDefinition/example-section-library",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.5.1041"
    }
  ],
  "name": "DocumentSectionLibrary",
  "title": "Document Section Library (For testing section templates)",
  "status": "active",
  "experimental": false,
  "date": "2018-11-05T17:57:00+11:00",
  "kind": "resource",
  "abstract": true,
  "type": "Composition",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Composition",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Composition",
        "path": "Composition"
      },
      {
        "id": "Composition.section",
        "path": "Composition.section",
        "slicing": {
          "discriminator": [
            {
              "type": "pattern",
              "path": "code"
            }
          ],
          "description": "Slice by .section.code when using this library of sections",
          "ordered": true,
          "rules": "closed"
        }
      },
      {
        "id": "Composition.section:procedure",
        "path": "Composition.section",
        "sliceName": "procedure"
      },
      {
        "id": "Composition.section:procedure.title",
        "path": "Composition.section.title",
        "min": 1,
        "fixedString": "Procedures Performed"
      },
      {
        "id": "Composition.section:procedure.code",
        "path": "Composition.section.code",
        "min": 1,
        "patternCodeableConcept": {
          "coding": [
            {
              "system": "http://loinc.org",
              "code": "29554-3",
              "display": "Procedure Narrative"
            }
          ]
        }
      },
      {
        "id": "Composition.section:medications",
        "path": "Composition.section",
        "sliceName": "medications"
      },
      {
        "id": "Composition.section:medications.title",
        "path": "Composition.section.title",
        "min": 1,
        "fixedString": "Medications Administered"
      },
      {
        "id": "Composition.section:medications.code",
        "path": "Composition.section.code",
        "min": 1,
        "patternCodeableConcept": {
          "coding": [
            {
              "system": "http://loinc.org",
              "code": "29549-3",
              "display": "Medication administered Narrative"
            }
          ]
        }
      },
      {
        "id": "Composition.section:plan",
        "path": "Composition.section",
        "sliceName": "plan"
      },
      {
        "id": "Composition.section:plan.title",
        "path": "Composition.section.title",
        "min": 1,
        "fixedString": "Discharge Treatment Plan"
      },
      {
        "id": "Composition.section:plan.code",
        "path": "Composition.section.code",
        "min": 1,
        "patternCodeableConcept": {
          "coding": [
            {
              "system": "http://loinc.org",
              "code": "18776-5",
              "display": "Plan of treatment (narrative)"
            }
          ]
        }
      }
    ]
  }
}