<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="shr-base-Author-extension" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>
        <b>SHR Author Extension</b>
      </p>
      <p>The person or organization who created the entry and is responsible for (and may certify) the content.</p>
    </div>
  </text>
  <url value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-base-Author-extension" />
  <identifier>
    <system value="http://standardhealthrecord.org" />
    <value value="shr.base.Author" />
  </identifier>
  <version value="0.0.1" />
  <name value="SHR Author Extension" />
  <title value="SHR Author Extension" />
  <status value="draft" />
  <date value="2017-12-20" />
  <publisher value="The MITRE Corporation: Standard Health Record Collaborative" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://standardhealthrecord.org" />
    </telecom>
  </contact>
  <description value="The person or organization who created the entry and is responsible for (and may certify) the content." />
  <fhirVersion value="3.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="*" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension:author">
      <path value="Extension" />
      <short value="SHR Author Extension" />
      <definition value="The person or organization who created the entry and is responsible for (and may certify) the content." />
      <min value="0" />
      <max value="*" />
      <constraint>
        <key value="choice-1" />
        <severity value="error" />
        <human value="shr-base-Author-extension SHALL have either extension('string') or extension('patient') or extension('group') or extension('device') or extension('participant') or extension('relatedperson') or extension('organization')" />
        <expression value="( extension('string').url | extension('patient').url | extension('group').url | extension('device').url | extension('participant').url | extension('relatedperson').url | extension('organization').url ).distinct().count() == 1" />
      </constraint>
    </element>
    <element id="Extension:author.extension:string">
      <path value="Extension.extension" />
      <sliceName value="string" />
      <definition value="The person or organization who created the entry and is responsible for (and may certify) the content." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/primitive-string-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:patient">
      <path value="Extension.extension" />
      <sliceName value="patient" />
      <definition value="A person in the role of a patient, including extended demographic information about the subject of this health record." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-entity-Patient-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:group">
      <path value="Extension.extension" />
      <sliceName value="group" />
      <definition value="A set of entities (personnel, material, or places) to be considered together. May be a pool of like-type resources, a team, or combination of personnel, material and places." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-entity-Group-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:device">
      <path value="Extension.extension" />
      <sliceName value="device" />
      <definition value="A specific durable physical device used in diagnosis or treatment. The value is the coding for a type of device, for example, a CPAP machine. The same device might be used on multiple patients." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-device-Device-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:participant">
      <path value="Extension.extension" />
      <sliceName value="participant" />
      <definition value="An object (usually a Person, Party, or Organization but potentially a device or other Entity) that participates in a task or activity." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-action-Participant-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:relatedperson">
      <path value="Extension.extension" />
      <sliceName value="relatedperson" />
      <definition value="A person in a role defined in relationship to a patient" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-entity-RelatedPerson-extension" />
      </type>
    </element>
    <element id="Extension:author.extension:organization">
      <path value="Extension.extension" />
      <sliceName value="organization" />
      <definition value="A social or legal structure formed by human beings." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-entity-Organization-extension" />
      </type>
    </element>
    <element id="Extension:author.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-base-Author-extension" />
    </element>
    <element id="Extension:author.value[x]">
      <path value="Extension.value[x]" />
      <min value="0" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>