FHIR Mapping Language (FML), published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/mapping-language-ig/ and changes regularly. See the Directory of published versions

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: TransformReference

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{
  "resourceType" : "StructureMap",
  "resourceDefinition" : "http://hl7.org/fhir/StructureDefinition/StructureMap|0.1.0",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureMap TransformReference</b></p><a name=\"TransformReference\"> </a><a name=\"hcTransformReference\"> </a><pre class=\"fml\">\r\n<span style=\"color: #cc00cc\">/// <b>url</b> = </span><span style=\"color: blue\">'http://hl7.org/fhir/uv/mapping-language/StructureMap/TransformReference'</span>\r\n<span style=\"color: #cc00cc\">/// <b>name</b> = </span><span style=\"color: blue\">'TransformReference'</span>\r\n<span style=\"color: #cc00cc\">/// <b>status</b> = </span><span style=\"color: blue\">'active'</span>\r\n<span style=\"color: #cc00cc\">/// <b>description</b> = </span><span style=\"color: blue\">'Example demonstrating the reference transform to generate a resource reference'</span>\r\n\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/6.0.0-ballot5/patient.html\" title=\"Patient\">http://hl7.org/fhir/StructureDefinition/Patient</a><span style=\"color: navy\">&quot; </span><b>as </b><b>source</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/6.0.0-ballot5/bundle.html\" title=\"Bundle\">http://hl7.org/fhir/StructureDefinition/Bundle</a><span style=\"color: navy\">&quot; </span><b>as </b><b>target</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/6.0.0-ballot5/encounter.html\" title=\"Encounter\">http://hl7.org/fhir/StructureDefinition/Encounter</a><span style=\"color: navy\">&quot; </span><b>as </b><b>produced</b>\r\n\r\n<b>group </b>TransformReference<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">src</span><span style=\"color: navy\"> : </span>Patient, <b>target</b> <span style=\"color: maroon\">tgt</span><span style=\"color: navy\"> : </span>Bundle<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  <span style=\"color: navy\">// </span><span style=\"color: green\">add in the patient to the bundle as is</span>\r\n  src<span style=\"color: navy\"><b> -&gt; </b></span> tgt.entry<b> as </b><span style=\"color: maroon\">patEntry</span><span style=\"color: navy\">, </span> patEntry.resource = <span style=\"color: maroon\">src</span> <i>&quot;patEntry&quot;</i><span style=\"color: navy\">;</span>\r\n  src<span style=\"color: navy\"><b> -&gt; </b></span> <b>create</b><span style=\"color: navy\">(</span><span style=\"color: blue\">'Encounter'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">enc</span><span style=\"color: navy\">, </span> tgt.entry<b> as </b><span style=\"color: maroon\">entry</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    src.id<b> as </b><span style=\"color: maroon\">v</span><span style=\"color: navy\"><b> -&gt; </b></span> enc.subject<b> as </b><span style=\"color: maroon\">s</span><span style=\"color: navy\">, </span> s.reference = <b>reference</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">src</span><span style=\"color: navy\">)</span> <i>&quot;r2&quot;</i><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">// </span><span style=\"color: green\">Note the encounter entry is added after it has been populated</span>\r\n    src<span style=\"color: navy\"><b> -&gt; </b></span>entry.resource = <span style=\"color: maroon\">enc</span> <i>&quot;encounterEntry&quot;</i><span style=\"color: navy\">;</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;encEntry&quot;</i><span style=\"color: navy\">;</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span></pre></div>"
  },
  "url" : "http://hl7.org/fhir/uv/mapping-language/StructureMap/TransformReference",
  "name" : "TransformReference",
  "status" : "active",
  "description" : "Example demonstrating the reference transform to generate a resource reference",
  "structure" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Patient",
      "mode" : "source"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Bundle",
      "mode" : "target"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Encounter",
      "mode" : "produced"
    }
  ],
  "group" : [
    {
      "name" : "TransformReference",
      "input" : [
        {
          "mode" : "source",
          "name" : "src",
          "type" : "Patient"
        },
        {
          "mode" : "target",
          "name" : "tgt",
          "type" : "Bundle"
        }
      ],
      "rule" : [
        {
          "source" : [
            {
              "context" : "src"
            }
          ],
          "target" : [
            {
              "context" : "tgt",
              "element" : [
                "entry"
              ],
              "variable" : "patEntry"
            },
            {
              "context" : "patEntry",
              "element" : [
                "resource"
              ],
              "transform" : "copy",
              "parameter" : [
                {
                  "valueId" : "src"
                }
              ]
            }
          ],
          "documentation" : "add in the patient to the bundle as is",
          "name" : "patEntry"
        },
        {
          "source" : [
            {
              "context" : "src"
            }
          ],
          "target" : [
            {
              "transform" : "create",
              "parameter" : [
                {
                  "valueString" : "Encounter"
                }
              ],
              "variable" : "enc"
            },
            {
              "context" : "tgt",
              "element" : [
                "entry"
              ],
              "variable" : "entry"
            }
          ],
          "rule" : [
            {
              "source" : [
                {
                  "context" : "src",
                  "element" : [
                    "id"
                  ],
                  "variable" : "v"
                }
              ],
              "target" : [
                {
                  "context" : "enc",
                  "element" : [
                    "subject"
                  ],
                  "variable" : "s"
                },
                {
                  "context" : "s",
                  "element" : [
                    "reference"
                  ],
                  "transform" : "reference",
                  "parameter" : [
                    {
                      "valueId" : "src"
                    }
                  ]
                }
              ],
              "name" : "r2"
            },
            {
              "source" : [
                {
                  "context" : "src"
                }
              ],
              "target" : [
                {
                  "context" : "entry",
                  "element" : [
                    "resource"
                  ],
                  "transform" : "copy",
                  "parameter" : [
                    {
                      "valueId" : "enc"
                    }
                  ]
                }
              ],
              "documentation" : "Note the encounter entry is added after it has been populated",
              "name" : "encounterEntry"
            }
          ],
          "name" : "encEntry"
        }
      ]
    }
  ],
  "id" : "TransformReference",
  "language" : "en"
}