<StructureDefinition xmlns="http://hl7.org/fhir">
  <text>
    <status value="empty" />
    <div xmlns="http://www.w3.org/1999/xhtml" />
  </text>
  <url value="http://mayo.edu/fhir/StructureDefinition/MayoSubscription" />
  <version value="1.0" />
  <name value="MayoSubscription" />
  <status value="active" />
  <date value="2018-10-07" />
  <publisher value="Mayo Clinic" />
  <copyright value="Mayo Clinic" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Subscription" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Subscription" />
  <derivation value="constraint" />
  <differential>
    <element id="Subscription.contact.system">
      <path value="Subscription.contact.system" />
      <fixedCode value="phone" />
    </element>
    <element id="Subscription.contact.rank">
      <path value="Subscription.contact.rank" />
      <max value="0" />
    </element>
    <element id="Subscription.contact.period">
      <path value="Subscription.contact.period" />
      <max value="0" />
    </element>
    <element id="Subscription.channel.payload">
      <path value="Subscription.channel.payload" />
      <fixedString value="application/fhir+json" />
    </element>
  </differential>
</StructureDefinition>