{
  "resourceType" : "StructureDefinition",
  "id" : "syndication-category",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition syndication-category</b></p><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 : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,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=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; 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 : var(--ig-left,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,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\" 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 : var(--ig-left,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-syndication-category-definitions.html#syndication-category\" title=\"An Atom `⟨category⟩` element classifying a syndication entry. The\n`scheme` URI identifies the controlled vocabulary; `term` is the\nmachine code; `label` is the human-readable form.\n\nThe binding of `term` depends on `scheme`:\n\n| `scheme`                                                                   | `term` ValueSet           |\n|----------------------------------------------------------------------------|---------------------------|\n| `http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0`      | SyndicationContentTypeVS  |\n| `http://ontoserver.csiro.au/syndication/rf2/1.0.0`                         | OntoserverRf2IndexVS      |\n| `http://ontoserver.csiro.au/syndication/rf2/2.0.0`                         | OntoserverRf2IndexVS      |\n| any other scheme                                                            | unconstrained             |\n\nThis conditional rule is enforced by the `category-term-scheme-binding`\ninvariant. Slicing would be a more natural FHIR-level expression, but\nslice declarations are not supported on Logical models.\">syndication-category</a><a name=\"syndication-category\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;\" href=\"http://hl7.org/fhir/R4/conformance-rules.html#constraints\" title=\"This element has or is affected by constraints ( category-term-scheme-binding )\">C</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Terminology Syndication Category<br/><span style=\"font-weight:bold\">Instances of this logical model can be the target of a Reference</span><br class=\"constraint\"/><span title=\"null\" class=\"constraint\">Constraints: </span><span style=\"font-weight:bold\" title=\"When scheme is one of the schemes registered in this IG, term MUST be drawn from that scheme's ValueSet: NCTS ASF (`…/asf/scheme/1.0.0`) → SyndicationContentTypeVS; Ontoserver RF2 binary-index (`…/rf2/1.0.0` or `…/rf2/2.0.0`) → OntoserverRf2IndexVS. Other schemes are unconstrained.\" class=\"constraint\">category-term-scheme-binding</span></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 : var(--ig-left,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-syndication-category-definitions.html#syndication-category.term\" title=\"Category term — machine-readable code from the scheme. The applicable ValueSet depends on `scheme`; the example binding below is the NCTS ASF ValueSet, the most common case. See `category-term-scheme-binding`.\">term</a><a name=\"syndication-category.term\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">machine-readable code from the scheme<br class=\"binding\"/><span style=\"font-weight:bold\" title=\"null\" class=\"binding\">Binding: </span><a href=\"ValueSet-syndication-content-type.html\" title=\"https://ontoserver.csiro.au/syndication/ValueSet/syndication-content-type\" class=\"binding\">Terminology Syndication Content Type</a><span title=\"null\" class=\"binding\"> (</span><a href=\"http://hl7.org/fhir/R4/terminologies.html#example\" title=\"Instances are not expected or even encouraged to draw from the specified value set.  The value set merely provides examples of the types of concepts intended to be included.\" class=\"binding\">example</a><span title=\"null\" class=\"binding\">)</span></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 : var(--ig-left,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-syndication-category-definitions.html#syndication-category.scheme\" title=\"Category scheme — the controlled vocabulary the term comes from.\">scheme</a><a name=\"syndication-category.scheme\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">controlled vocabulary the term comes from</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 : var(--ig-left,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-syndication-category-definitions.html#syndication-category.label\" title=\"human-readable label for the term\">label</a><a name=\"syndication-category.label\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">human-readable label for the term</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,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goXBCwdPqAP0wAAAldJREFUOMuNk0tIlFEYhp9z/vE2jHkhxXA0zJCMitrUQlq4lnSltEqCFhFG2MJFhIvIFpkEWaTQqjaWZRkp0g26URZkTpbaaOJkDqk10szoODP//7XIMUe0elcfnPd9zsfLOYplGrpRwZaqTtw3K7PtGem7Q6FoidbGgqHVy/HRb669R+56zx7eRV1L31JGxYbBtjKK93cxeqfyQHbehkZbUkK20goELEuIzEd+dHS+qz/Y8PTSif0FnGkbiwcAjHaU1+QWOptFiyCLp/LnKptpqIuXHx6rbR26kJcBX3yLgBfnd7CxwJmflpP2wUg0HIAoUUpZBmKzELGWcN8nAr6Gpu7tLU/CkwAaoKTWRSQyt89Q8w6J+oVQkKnBoblH7V0PPvUOvDYXfopE/SJmALsxnVm6LbkotrUtNowMeIrVrBcBpaMmdS0j9df7abpSuy7HWehwJdt1lhVwi/J58U5beXGAF6c3UXLycw1wdFklArBn87xdh0ZsZtArghBdAA3+OEDVubG4UEzP6x1FOWneHh2VDAHBAt80IbdXDcesNoCvs3E5AFyNSU5nbrDPZpcUEQQTFZiEVx+51fxMhhyJEAgvlriadIJZZksRuwBYMOPBbO3hePVVqgEJhFeUuFLhIPkRP6BQLIBrmMenujm/3g4zc398awIe90Zb5A1vREALqneMcYgP/xVQWlG+Ncu5vgwwlaUNx+3799rfe96u9K0JSDXcOzOTJg4B6IgmXfsygc7/Bvg9g9E58/cDVmGIBOP/zT8Bz1zqWqpbXIsd0O9hajXfL6u4BaOS6SeWAAAAAElFTkSuQmCC\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
    "valueCode" : "can-be-target"
  }],
  "url" : "https://ontoserver.csiro.au/syndication/StructureDefinition/syndication-category",
  "version" : "0.1.0",
  "name" : "SyndicationCategory",
  "title" : "Terminology Syndication Category",
  "status" : "draft",
  "date" : "2026-05-09T20:23:33+00:00",
  "publisher" : "Australian e-Health Research Centre",
  "contact" : [{
    "name" : "Australian e-Health Research Centre",
    "telecom" : [{
      "system" : "url",
      "value" : "https://aehrc.csiro.au"
    }]
  },
  {
    "name" : "Michael Lawley",
    "telecom" : [{
      "system" : "email",
      "value" : "michael.lawley@csiro.au"
    }]
  }],
  "description" : "An Atom `⟨category⟩` element classifying a syndication entry. The\n`scheme` URI identifies the controlled vocabulary; `term` is the\nmachine code; `label` is the human-readable form.\n\nThe binding of `term` depends on `scheme`:\n\n| `scheme`                                                                   | `term` ValueSet           |\n|----------------------------------------------------------------------------|---------------------------|\n| `http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0`      | SyndicationContentTypeVS  |\n| `http://ontoserver.csiro.au/syndication/rf2/1.0.0`                         | OntoserverRf2IndexVS      |\n| `http://ontoserver.csiro.au/syndication/rf2/2.0.0`                         | OntoserverRf2IndexVS      |\n| any other scheme                                                            | unconstrained             |\n\nThis conditional rule is enforced by the `category-term-scheme-binding`\ninvariant. Slicing would be a more natural FHIR-level expression, but\nslice declarations are not supported on Logical models.",
  "fhirVersion" : "4.0.1",
  "kind" : "logical",
  "abstract" : false,
  "type" : "https://ontoserver.csiro.au/syndication/StructureDefinition/syndication-category",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Base",
  "derivation" : "specialization",
  "snapshot" : {
    "extension" : [{
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
      "valueString" : "4.0.1"
    }],
    "element" : [{
      "id" : "syndication-category",
      "path" : "syndication-category",
      "short" : "Terminology Syndication Category",
      "definition" : "An Atom `⟨category⟩` element classifying a syndication entry. The\n`scheme` URI identifies the controlled vocabulary; `term` is the\nmachine code; `label` is the human-readable form.\n\nThe binding of `term` depends on `scheme`:\n\n| `scheme`                                                                   | `term` ValueSet           |\n|----------------------------------------------------------------------------|---------------------------|\n| `http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0`      | SyndicationContentTypeVS  |\n| `http://ontoserver.csiro.au/syndication/rf2/1.0.0`                         | OntoserverRf2IndexVS      |\n| `http://ontoserver.csiro.au/syndication/rf2/2.0.0`                         | OntoserverRf2IndexVS      |\n| any other scheme                                                            | unconstrained             |\n\nThis conditional rule is enforced by the `category-term-scheme-binding`\ninvariant. Slicing would be a more natural FHIR-level expression, but\nslice declarations are not supported on Logical models.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Base",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "category-term-scheme-binding",
        "severity" : "error",
        "human" : "When scheme is one of the schemes registered in this IG, term MUST be drawn from that scheme's ValueSet: NCTS ASF (`…/asf/scheme/1.0.0`) → SyndicationContentTypeVS; Ontoserver RF2 binary-index (`…/rf2/1.0.0` or `…/rf2/2.0.0`) → OntoserverRf2IndexVS. Other schemes are unconstrained.",
        "expression" : "(scheme != 'http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/syndication-content-type')) and (scheme != 'http://ontoserver.csiro.au/syndication/rf2/1.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/ontoserver-rf2-index')) and (scheme != 'http://ontoserver.csiro.au/syndication/rf2/2.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/ontoserver-rf2-index'))",
        "source" : "https://ontoserver.csiro.au/syndication/StructureDefinition/syndication-category"
      }],
      "isModifier" : false
    },
    {
      "id" : "syndication-category.term",
      "path" : "syndication-category.term",
      "short" : "machine-readable code from the scheme",
      "definition" : "Category term — machine-readable code from the scheme. The applicable ValueSet depends on `scheme`; the example binding below is the NCTS ASF ValueSet, the most common case. See `category-term-scheme-binding`.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "syndication-category.term",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "strength" : "example",
        "valueSet" : "https://ontoserver.csiro.au/syndication/ValueSet/syndication-content-type"
      }
    },
    {
      "id" : "syndication-category.scheme",
      "path" : "syndication-category.scheme",
      "short" : "controlled vocabulary the term comes from",
      "definition" : "Category scheme — the controlled vocabulary the term comes from.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "syndication-category.scheme",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }]
    },
    {
      "id" : "syndication-category.label",
      "path" : "syndication-category.label",
      "short" : "human-readable label for the term",
      "definition" : "human-readable label for the term",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "syndication-category.label",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }]
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "syndication-category",
      "path" : "syndication-category",
      "short" : "Terminology Syndication Category",
      "definition" : "An Atom `⟨category⟩` element classifying a syndication entry. The\n`scheme` URI identifies the controlled vocabulary; `term` is the\nmachine code; `label` is the human-readable form.\n\nThe binding of `term` depends on `scheme`:\n\n| `scheme`                                                                   | `term` ValueSet           |\n|----------------------------------------------------------------------------|---------------------------|\n| `http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0`      | SyndicationContentTypeVS  |\n| `http://ontoserver.csiro.au/syndication/rf2/1.0.0`                         | OntoserverRf2IndexVS      |\n| `http://ontoserver.csiro.au/syndication/rf2/2.0.0`                         | OntoserverRf2IndexVS      |\n| any other scheme                                                            | unconstrained             |\n\nThis conditional rule is enforced by the `category-term-scheme-binding`\ninvariant. Slicing would be a more natural FHIR-level expression, but\nslice declarations are not supported on Logical models.",
      "constraint" : [{
        "key" : "category-term-scheme-binding",
        "severity" : "error",
        "human" : "When scheme is one of the schemes registered in this IG, term MUST be drawn from that scheme's ValueSet: NCTS ASF (`…/asf/scheme/1.0.0`) → SyndicationContentTypeVS; Ontoserver RF2 binary-index (`…/rf2/1.0.0` or `…/rf2/2.0.0`) → OntoserverRf2IndexVS. Other schemes are unconstrained.",
        "expression" : "(scheme != 'http://ns.electronichealth.net.au/ncts/syndication/asf/scheme/1.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/syndication-content-type')) and (scheme != 'http://ontoserver.csiro.au/syndication/rf2/1.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/ontoserver-rf2-index')) and (scheme != 'http://ontoserver.csiro.au/syndication/rf2/2.0.0' or term.memberOf('https://ontoserver.csiro.au/syndication/ValueSet/ontoserver-rf2-index'))",
        "source" : "https://ontoserver.csiro.au/syndication/StructureDefinition/syndication-category"
      }]
    },
    {
      "id" : "syndication-category.term",
      "path" : "syndication-category.term",
      "short" : "machine-readable code from the scheme",
      "definition" : "Category term — machine-readable code from the scheme. The applicable ValueSet depends on `scheme`; the example binding below is the NCTS ASF ValueSet, the most common case. See `category-term-scheme-binding`.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "strength" : "example",
        "valueSet" : "https://ontoserver.csiro.au/syndication/ValueSet/syndication-content-type"
      }
    },
    {
      "id" : "syndication-category.scheme",
      "path" : "syndication-category.scheme",
      "short" : "controlled vocabulary the term comes from",
      "definition" : "Category scheme — the controlled vocabulary the term comes from.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      }]
    },
    {
      "id" : "syndication-category.label",
      "path" : "syndication-category.label",
      "short" : "human-readable label for the term",
      "definition" : "human-readable label for the term",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    }]
  }
}