WHO SMART Trust
1.1.6 - CI Build

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.1.6 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-trust/tree/VHLPayload and changes regularly. See the Directory of published versions

## Logical Model: HealthLinkPayload - TTL Profile

Draft as of 2025-02-21

TTL representation of the HealthLinkPayload logical model.

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    @prefix fhir: <http://hl7.org/fhir/> .
    @prefix owl: <http://www.w3.org/2002/07/owl#> .
    @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
    @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
    @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

    # - resource -------------------------------------------------------------------

     a fhir:StructureDefinition ;
      fhir:nodeRole fhir:treeRoot ;
      fhir:id [ fhir:v "HealthLinkPayload"] ; #
      fhir:text [
    fhir:status [ fhir:v "extensions" ] ;
    fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition HealthLinkPayload</b></p><a name=\"HealthLinkPayload\"> </a><a name=\"hcHealthLinkPayload\"> </a><a name=\"HealthLinkPayload-en-US\"> </a><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64, \" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload\" title=\"Health Link Payload (DRAFT)\n\nA Health Link URI is generated from this payload according to the algorithm documented [here](https://build.fhir.org/ig/HL7/smart-health-cards-and-links/links-specification.html#smart-health-links-sharing-application-generates-a-smart-health-link-uri)\n\n\">HealthLinkPayload</a><a name=\"HealthLinkPayload\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">*</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://build.fhir.org/types.html#Base\">Base</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Health Link Payload (DRAFT)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.url\" title=\"Manifest URL for this Health Link\">url</a><a name=\"HealthLinkPayload.url\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">url</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.key\" title=\"Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded.\">key</a><a name=\"HealthLinkPayload.key\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded.</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.exp\" title=\"Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)\">exp</a><a name=\"HealthLinkPayload.exp\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.flag\" title=\"Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n&lt;/ul&gt;\n  \">flag</a><a name=\"HealthLinkPayload.flag\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n&lt;/ul&gt;\n  </td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.label\" title=\"Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link.\">label</a><a name=\"HealthLinkPayload.label\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link.</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.v\" title=\"Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies.\">v</a><a name=\"HealthLinkPayload.v\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies.</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-HealthLinkPayload-definitions.html#HealthLinkPayload.type\" title=\"Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link.\">type</a><a name=\"HealthLinkPayload.type\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link.</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64, \" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"^^rdf:XMLLiteral
      ] ; #
      fhir:url [ fhir:v "http://hl7.org/fhir/uv/smart-health-cards-and-links/StructureDefinition/HealthLinkPayload"^^xsd:anyURI] ; #
      fhir:version [ fhir:v "1.1.6"] ; #
      fhir:name [ fhir:v "HealthLinkPayload"] ; #
      fhir:title [ fhir:v "Health Link Payload (DRAFT)"] ; #
      fhir:status [ fhir:v "draft"] ; #
      fhir:date [ fhir:v "2025-02-21T10:09:05+00:00"^^xsd:dateTime] ; #
      fhir:publisher [ fhir:v "WHO"] ; #
      fhir:contact ( [
    fhir:name [ fhir:v "WHO" ] ;
        ( fhir:telecom [
    fhir:system [ fhir:v "url" ] ;
    fhir:value [ fhir:v "http://who.int" ]     ] )
      ] ) ; #
      fhir:description [ fhir:v "Health Link Payload (DRAFT)\n\nA Health Link URI is generated from this payload according to the algorithm documented [here](https://build.fhir.org/ig/HL7/smart-health-cards-and-links/links-specification.html#smart-health-links-sharing-application-generates-a-smart-health-link-uri)\n\n"] ; #
      fhir:jurisdiction ( [
        ( fhir:coding [
    fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
    fhir:code [ fhir:v "001" ]     ] )
      ] ) ; #
      fhir:fhirVersion [ fhir:v "4.0.1"] ; #
      fhir:kind [ fhir:v "logical"] ; #
      fhir:abstract [ fhir:v "false"^^xsd:boolean] ; #
      fhir:type [ fhir:v "http://hl7.org/fhir/uv/smart-health-cards-and-links/StructureDefinition/HealthLinkPayload"^^xsd:anyURI] ; #
      fhir:baseDefinition [
    fhir:v "http://hl7.org/fhir/StructureDefinition/Base"^^xsd:anyURI ;
    fhir:link <http://hl7.org/fhir/StructureDefinition/Base>
      ] ; #
      fhir:derivation [ fhir:v "specialization"] ; #
      fhir:snapshot [
        ( fhir:extension [
    fhir:url [ fhir:v "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version"^^xsd:anyURI ] ;
    fhir:value [
    a fhir:string ;
    fhir:v "4.0.1"       ]     ] ) ;
        ( fhir:element [
    fhir:id [ fhir:v "HealthLinkPayload" ] ;
    fhir:path [ fhir:v "HealthLinkPayload" ] ;
    fhir:short [ fhir:v "Health Link Payload (DRAFT)" ] ;
    fhir:definition [ fhir:v "Health Link Payload (DRAFT)\n\nA Health Link URI is generated from this payload according to the algorithm documented [here](https://build.fhir.org/ig/HL7/smart-health-cards-and-links/links-specification.html#smart-health-links-sharing-application-generates-a-smart-health-link-uri)\n\n" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "*" ] ;
    fhir:base [
    fhir:path [ fhir:v "Base" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "*" ]       ] ;
    fhir:isModifier [ fhir:v "false"^^xsd:boolean ]     ] [
    fhir:id [ fhir:v "HealthLinkPayload.url" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.url" ] ;
    fhir:short [ fhir:v "url" ] ;
    fhir:definition [ fhir:v "Manifest URL for this Health Link" ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.url" ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.key" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.key" ] ;
    fhir:short [ fhir:v "Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded." ] ;
    fhir:definition [ fhir:v "Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded." ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.key" ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.exp" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.exp" ] ;
    fhir:short [ fhir:v "Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)" ] ;
    fhir:definition [ fhir:v "Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.exp" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.flag" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.flag" ] ;
    fhir:short [ fhir:v "Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n</ul>\n  " ] ;
    fhir:definition [ fhir:v "Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n</ul>" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.flag" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.label" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.label" ] ;
    fhir:short [ fhir:v "Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link." ] ;
    fhir:definition [ fhir:v "Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.label" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.v" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.v" ] ;
    fhir:short [ fhir:v "Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies." ] ;
    fhir:definition [ fhir:v "Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.v" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.type" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.type" ] ;
    fhir:short [ fhir:v "Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link." ] ;
    fhir:definition [ fhir:v "Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
    fhir:base [
    fhir:path [ fhir:v "HealthLinkPayload.type" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ]       ] ;
          ( fhir:type [
    fhir:code [ fhir:v "code"^^xsd:anyURI ]       ] )     ] )
      ] ; #
      fhir:differential [
        ( fhir:element [
    fhir:id [ fhir:v "HealthLinkPayload" ] ;
    fhir:path [ fhir:v "HealthLinkPayload" ] ;
    fhir:short [ fhir:v "Health Link Payload (DRAFT)" ] ;
    fhir:definition [ fhir:v "Health Link Payload (DRAFT)\n\nA Health Link URI is generated from this payload according to the algorithm documented [here](https://build.fhir.org/ig/HL7/smart-health-cards-and-links/links-specification.html#smart-health-links-sharing-application-generates-a-smart-health-link-uri)\n\n" ]     ] [
    fhir:id [ fhir:v "HealthLinkPayload.url" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.url" ] ;
    fhir:short [ fhir:v "url" ] ;
    fhir:definition [ fhir:v "Manifest URL for this Health Link" ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.key" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.key" ] ;
    fhir:short [ fhir:v "Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded." ] ;
    fhir:definition [ fhir:v "Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded." ] ;
    fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.exp" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.exp" ] ;
    fhir:short [ fhir:v "Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)" ] ;
    fhir:definition [ fhir:v "Optional. Number representing expiration time in Epoch seconds, as a hint to help the Health Link Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)" ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.flag" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.flag" ] ;
    fhir:short [ fhir:v "Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n</ul>\n  " ] ;
    fhir:definition [ fhir:v "Optional. String created by concatenating single-character flags in alphabetical order:\n'L' indicates the Health Link is intended for long-term use and manifest content can evolve over time; \n'P' indicates the Health Link requires a Passcode to resolves; and 'U' indicates the Health Link's url resolves to a single encrypted file accessible via GET, bypassing the manifest and SHALL NOT be used in combination with P.\n</ul>\n  " ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.label" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.label" ] ;
    fhir:short [ fhir:v "Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link." ] ;
    fhir:definition [ fhir:v "Optional. String no longer than 80 characters that provides a short description of the data behind the Health Link." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.v" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.v" ] ;
    fhir:short [ fhir:v "Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies." ] ;
    fhir:definition [ fhir:v "Optional. Integer representing the Health Links protocol version this Health Link conforms to. MAY be omitted when the default value (1) applies." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "string"^^xsd:anyURI ]       ] )     ] [
    fhir:id [ fhir:v "HealthLinkPayload.type" ] ;
    fhir:path [ fhir:v "HealthLinkPayload.type" ] ;
    fhir:short [ fhir:v "Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link." ] ;
    fhir:definition [ fhir:v "Classifying type code to distinguish different types of health links.  If not present then the Health Link is a SMART Health Link." ] ;
    fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
    fhir:max [ fhir:v "1" ] ;
          ( fhir:type [
    fhir:code [ fhir:v "code"^^xsd:anyURI ]       ] )     ] )
      ] . #