Warning example

{
  "resourceType" : "ClinicalUseDefinition",
  "id" : "example-warning",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: ClinicalUseDefinition</b><a name=\"example-warning\"> </a><a name=\"hcexample-warning\"> </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 ClinicalUseDefinition &quot;example-warning&quot; </p></div><p><b>StructureDefinition Work Group</b>: brr</p><p><b>type</b>: warning</p><p><b>category</b>: Effects on Ability to Drive and Use Machines <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"codesystem-clinical-use-definition-category.html\">Clinical Use Definition Category</a>#DriveAndMachines)</span></p><p><b>subject</b>: <a href=\"medicinalproductdefinition-example.html\">MedicinalProductDefinition/example</a></p><h3>Warnings</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Description</b></td></tr><tr><td style=\"display: none\">*</td><td>May cause drowsiness. Avoid driving or operating heavy machinery.</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "brr"
  }],
  "type" : "warning",
  "category" : [{
    "coding" : [{
      "system" : "http://hl7.org/fhir/clinical-use-definition-category",
      "code" : "DriveAndMachines",
      "display" : "Effects on Ability to Drive and Use Machines"
    }]
  }],
  "subject" : [{
    "reference" : "MedicinalProductDefinition/example"
  }],
  "warning" : {
    "description" : "May cause drowsiness. Avoid driving or operating heavy machinery."
  }
}