<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="HCXInformationalMessagesExtension" />
  <url value="https://hcx-base-url/StructureDefinition/HCXInformationalMessagesExtension" />
  <version value="0.1.0" />
  <name value="HCXInformationalMessagesExtension" />
  <title value="HCX Informational Messages Extension" />
  <status value="active" />
  <date value="2021-12-27" />
  <publisher value="HCX Working Group" />
  <contact>
    <name value="HCX Working Group" />
    <telecom>
      <system value="email" />
      <value value="tbd@hcx.org.in" />
      <use value="work" />
      <rank value="1" />
    </telecom>
  </contact>
  <description value="Extension to include informational messages." />
  <purpose value="Extension to include informational messages." />
  <copyright value="TBD" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="InsurancePlan.plan.specificCost.benefit" />
  </context>
  <context>
    <type value="element" />
    <expression value="InsurancePlan.plan" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Extension to add informational messages." />
      <definition value="Extension to add informational messages." />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Extension.extension:InformationalMessages">
      <path value="Extension.extension" />
      <sliceName value="message" />
      <short value="Informational Messages" />
      <definition value="Informational Messages" />
      <min value="1" />
      <max value="*" />
    </element>
    <element id="Extension.extension:InformationalMessages.url">
      <path value="Extension.extension.url" />
      <fixedUri value="InformationalMessagesCode" />
    </element>
    <element id="Extension.extension:InformationalMessages.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="Informational Messages Code" />
      <definition value="Informational Messages Code" />
      <min value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <type>
        <code value="string" />
      </type>
      <binding>
        <strength value="extensible" />
        <valueSet value="https://hcx-valuesets/InformationalMessagesCodes" />
      </binding>
    </element>
    <element id="Extension.extension:MessageType">
      <path value="Extension.extension" />
      <sliceName value="messageType" />
      <short value="Message Type" />
      <definition value="Indicates the severity of the message" />
      <max value="1" />
    </element>
    <element id="Extension.extension:MessageType.url">
      <path value="Extension.extension.url" />
      <fixedUri value="InformationalMessageCode" />
    </element>
    <element id="Extension.extension:MessageType.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="Message Type Code" />
      <definition value="Message Type Code" />
      <min value="1" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="extensible" />
        <valueSet value="http://www.hl7.org/fhir/valueset-issue-severity.html" />
      </binding>
    </element>
    <element id="Extension.extension:ClaimUse">
      <path value="Extension.extension" />
      <sliceName value="claimUse" />
      <short value="Claim use code" />
      <definition value="Indicates which stage of the claim that the message is relevant" />
      <max value="1" />
    </element>
    <element id="Extension.extension:ClaimUse.url">
      <path value="Extension.extension.url" />
      <fixedUri value="InformationalMessageClaimUse" />
    </element>
    <element id="Extension.extension:ClaimUse.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="Claim use code" />
      <definition value="Claim use code" />
      <min value="1" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSet value="http://hl7.org/fhir/ValueSet/claim-use|4.0.1" />
      </binding>
    </element>
    <element id="Extension.extension:DocumentationUrl">
      <path value="Extension.extension" />
      <sliceName value="documentationUrl" />
      <short value="Required Flag" />
      <definition value="Indicates whether the document is required" />
      <max value="1" />
    </element>
    <element id="Extension.extension:DocumentationUrl.url">
      <path value="Extension.extension.url" />
      <fixedUri value="DocumentationUrl" />
    </element>
    <element id="Extension.extension:DocumentationUrl.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="Documention URL" />
      <definition value="Documention URL" />
      <min value="1" />
      <type>
        <code value="url" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://hcx-base-url/StructureDefinition/HCXInformationalMessagesExtension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>