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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: TransformEvaluate2

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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 TransformEvaluate2</b></p><a name=\"TransformEvaluate2\"> </a><a name=\"hcTransformEvaluate2\"> </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/TransformEvaluate2'</span>\r\n<span style=\"color: #cc00cc\">/// <b>name</b> = </span><span style=\"color: blue\">'TransformEvaluate2'</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\">'Additional examples demonstrating the evaluate transform to execute a FHIRPath expression'</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/patient.html\" title=\"Patient\">http://hl7.org/fhir/StructureDefinition/Patient</a><span style=\"color: navy\">&quot; </span><b>as </b><b>target</b>\r\n\r\n<b>group </b>TransformEvaluate2<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>Patient<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  <span style=\"color: navy\">// </span><span style=\"color: green\">concatenate all given names using FHIRPath</span>\r\n  src.name<b> as </b><span style=\"color: maroon\">v</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.name<b> as </b><span style=\"color: maroon\">tn</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    <span style=\"color: navy\">// </span><span style=\"color: green\">Although this looks like a fhirpath expression, it is just a string</span>\r\n    <span style=\"color: navy\">// </span><span style=\"color: green\">and will put the literal text &quot;v.given.join(' ')&quot; in the `text` target element.</span>\r\n    v<span style=\"color: navy\"><b> -&gt; </b></span>tn.text = evaluate<span style=\"color: navy\">(</span>v<span style=\"color: navy\">, </span>'given.join(\\' \\')'<span style=\"color: navy\">)</span> <i>&quot;r2&quot;</i><span style=\"color: navy\">;</span>\r\n    v<span style=\"color: navy\"><b> -&gt; </b></span>tn.period.start = evaluate<span style=\"color: navy\">(</span>v<span style=\"color: navy\">, </span>@2024-12-01T09:00:00<span style=\"color: navy\">)</span> <i>&quot;dateValue&quot;</i><span style=\"color: navy\">;</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;r1&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/TransformEvaluate2",
  "name" : "TransformEvaluate2",
  "status" : "active",
  "description" : "Additional examples demonstrating the evaluate transform to execute a FHIRPath expression",
  "structure" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Patient",
      "mode" : "source"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Patient",
      "mode" : "target"
    }
  ],
  "group" : [
    {
      "name" : "TransformEvaluate2",
      "input" : [
        {
          "mode" : "source",
          "name" : "src",
          "type" : "Patient"
        },
        {
          "mode" : "target",
          "name" : "tgt",
          "type" : "Patient"
        }
      ],
      "rule" : [
        {
          "source" : [
            {
              "context" : "src",
              "element" : [
                "name"
              ],
              "variable" : "v"
            }
          ],
          "target" : [
            {
              "context" : "tgt",
              "element" : [
                "name"
              ],
              "variable" : "tn"
            }
          ],
          "rule" : [
            {
              "source" : [
                {
                  "context" : "v"
                }
              ],
              "target" : [
                {
                  "context" : "tn",
                  "element" : [
                    "text"
                  ],
                  "transform" : "evaluate",
                  "parameter" : [
                    {
                      "valueId" : "v"
                    },
                    {
                      "valueString" : "'given.join(\\' \\')'"
                    }
                  ]
                }
              ],
              "documentation" : "Although this looks like a fhirpath expression, it is just a string\r\nand will put the literal text \"v.given.join(' ')\" in the `text` target element.",
              "name" : "r2"
            },
            {
              "source" : [
                {
                  "context" : "v"
                }
              ],
              "target" : [
                {
                  "context" : "tn",
                  "element" : [
                    "period",
                    "start"
                  ],
                  "transform" : "evaluate",
                  "parameter" : [
                    {
                      "valueId" : "v"
                    },
                    {
                      "valueString" : "@2024-12-01T09:00:00"
                    }
                  ]
                }
              ],
              "name" : "dateValue"
            }
          ],
          "documentation" : "concatenate all given names using FHIRPath",
          "name" : "r1"
        }
      ]
    }
  ],
  "id" : "TransformEvaluate2",
  "language" : "en"
}