{
  "resourceType" : "StructureMap",
  "id" : "CertSHCtoCoreDataSet",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureMap CertSHCtoCoreDataSet</b></p><a name=\"CertSHCtoCoreDataSet\"> </a><a name=\"hcCertSHCtoCoreDataSet\"> </a><a name=\"CertSHCtoCoreDataSet-en-US\"> </a><pre class=\"fml\">\r\n<b>map</b><span style=\"color: navy\"> &quot;</span>http://smart.who.int/ddcc/StructureMap/CertSHCtoCoreDataSet<span style=\"color: navy\">&quot; = &quot;</span>CertSHCtoCoreDataSet<span style=\"color: navy\">&quot;\r\n\r\n</span><span style=\"color: navy\">// </span><span style=\"color: green\">Structure map transforming CertSHC logical model to bundle of Core Data Set logical model</span>\r\n\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureDefinition-CertSHC.html\" title=\"Certificate - Smart Health Card's JSon Web Token Logical Model\">http://smart.who.int/ddcc/StructureDefinition/CertSHC</a><span style=\"color: navy\">&quot; </span><b>alias </b>JWTPayload <b>as </b><b>source</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/R4/bundle.html\" title=\"Bundle\">http://hl7.org/fhir/StructureDefinition/Bundle</a><span style=\"color: navy\">&quot; </span><b>alias </b>DDCCBundle <b>as </b><b>target</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureDefinition-DDCCCoreDataSet.html\" title=\"DDCC Core Data Set Logical Model\">http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSet</a><span style=\"color: navy\">&quot; </span><b>alias </b>DDCC <b>as </b><b>target</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureDefinition-DDCCCoreDataSetVS.html\" title=\"DDCC Core Data Set Logical Model for Vaccination Status\">http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetVS</a><span style=\"color: navy\">&quot; </span><b>alias </b>DDCCVS <b>as </b><b>target</b>\r\n\r\n<b>imports</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureMap-SHCToCoreDataSetVS.html\" title=\"SHCToCoreDataSetVS\">http://smart.who.int/ddcc/StructureMap/SHCToCoreDataSetVS</a><span style=\"color: navy\">&quot;\r\n</span><b>imports</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureMap-SHCToCoreDataSetTR.html\" title=\"SHCToCoreDataSetTR\">http://smart.who.int/ddcc/StructureMap/SHCToCoreDataSetTR</a><span style=\"color: navy\">&quot;\r\n</span>\r\n<b>group </b>CertSHCtoCoreDataSetBundle<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">src</span><span style=\"color: navy\"> : </span>JWTPayload, <b>target</b> <span style=\"color: maroon\">ddccBundle</span><span style=\"color: navy\"> : </span>Bundle<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  src.vc<b> as </b><span style=\"color: maroon\">vc</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    vc.credentialSubject<b> as </b><span style=\"color: maroon\">credentialSubject</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      credentialSubject.fhirBundle<b> as </b><span style=\"color: maroon\">fhirBundle</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        fhirBundle.entry<b> as </b><span style=\"color: maroon\">patientEntrySHC</span><b> then</b><span style=\"color: navy\"> {\r\n</span>          patientEntrySHC.resource<span style=\"color: navy\"> : </span>Patient first<b> as </b><span style=\"color: maroon\">patient</span><b> then</b><span style=\"color: navy\"> {\r\n</span>            fhirBundle.entry<b> as </b><span style=\"color: maroon\">entry</span><b> then</b><span style=\"color: navy\"> {\r\n</span>              entry.resource<span style=\"color: navy\"> : </span>Immunization<b> as </b><span style=\"color: maroon\">immunization</span><span style=\"color: navy\"><b> -&gt; </b></span> ddccBundle.entry<b> as </b><span style=\"color: maroon\">outentry</span><span style=\"color: navy\">, </span> <b>create</b><span style=\"color: navy\">(</span><span style=\"color: blue\">'http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetVS'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">ddcc</span><b> then</b><span style=\"color: navy\"> {\r\n</span>                immunization<b> then </b>PatientToDDCCVS<span style=\"color: navy\">(</span><span style=\"color: maroon\">patient</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">ddcc</span><span style=\"color: navy\">)</span> <i>&quot;set patient&quot;</i><span style=\"color: navy\">;</span>\r\n                immunization<span style=\"color: navy\"><b> -&gt; </b></span>ddcc.vaccination<b> as </b><span style=\"color: maroon\">vaccination</span><b> then </b>ImmunizationToDDCC<span style=\"color: navy\">(</span><span style=\"color: maroon\">immunization</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">vaccination</span><span style=\"color: navy\">)</span> <i>&quot;set vaccination&quot;</i><span style=\"color: navy\">;</span>\r\n                immunization<b> then </b>CertSHCtoCoreDataSet<span style=\"color: navy\">(</span><span style=\"color: maroon\">src</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">ddcc</span><span style=\"color: navy\">)</span> <i>&quot;set ddcc&quot;</i><span style=\"color: navy\">;</span>\r\n                immunization<span style=\"color: navy\"><b> -&gt; </b></span>outentry.resource = <span style=\"color: maroon\">ddcc</span> <i>&quot;set outentry&quot;</i><span style=\"color: navy\">;</span>\r\n              <span style=\"color: navy\">}</span> <i>&quot;immunizations&quot;</i><span style=\"color: navy\">;</span>\r\n              entry.resource<span style=\"color: navy\"> : </span>Observation<b> as </b><span style=\"color: maroon\">lab</span><span style=\"color: navy\"><b> -&gt; </b></span> ddccBundle.entry<b> as </b><span style=\"color: maroon\">outentry</span><span style=\"color: navy\">, </span> <b>create</b><span style=\"color: navy\">(</span><span style=\"color: blue\">'http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetTR'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">ddcc</span><b> then</b><span style=\"color: navy\"> {\r\n</span>                lab<b> then </b>PatientToDDCCTR<span style=\"color: navy\">(</span><span style=\"color: maroon\">patient</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">ddcc</span><span style=\"color: navy\">)</span> <i>&quot;set patient&quot;</i><span style=\"color: navy\">;</span>\r\n                lab<span style=\"color: navy\"><b> -&gt; </b></span>ddcc.test<b> as </b><span style=\"color: maroon\">test</span><b> then </b>LabToDDCC<span style=\"color: navy\">(</span><span style=\"color: maroon\">lab</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">test</span><span style=\"color: navy\">)</span> <i>&quot;set test&quot;</i><span style=\"color: navy\">;</span>\r\n                lab<b> then </b>CertSHCtoCoreDataSet<span style=\"color: navy\">(</span><span style=\"color: maroon\">src</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">ddcc</span><span style=\"color: navy\">)</span> <i>&quot;set ddcc&quot;</i><span style=\"color: navy\">;</span>\r\n                lab<span style=\"color: navy\"><b> -&gt; </b></span>outentry.resource = <span style=\"color: maroon\">ddcc</span> <i>&quot;set outentry&quot;</i><span style=\"color: navy\">;</span>\r\n              <span style=\"color: navy\">}</span> <i>&quot;labs&quot;</i><span style=\"color: navy\">;</span>\r\n            <span style=\"color: navy\">}</span> <i>&quot;entries&quot;</i><span style=\"color: navy\">;</span>\r\n          <span style=\"color: navy\">}</span> <i>&quot;get patient&quot;</i><span style=\"color: navy\">;</span>\r\n        <span style=\"color: navy\">}</span> <i>&quot;find patient&quot;</i><span style=\"color: navy\">;</span>\r\n      <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n  <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span><b>group </b>CertSHCtoCoreDataSet<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">src</span><span style=\"color: navy\"> : </span>JWTPayload, <b>target</b> <span style=\"color: maroon\">ddcc</span><span style=\"color: navy\"> : </span>DDCC<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  src<span style=\"color: navy\"><b> -&gt; </b></span>ddcc.certificate<b> as </b><span style=\"color: maroon\">cert</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    src.iss<span style=\"color: navy\"><b> -&gt; </b></span>cert.issuer = <b>create</b><span style=\"color: navy\">(</span><span style=\"color: blue\">'Reference'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">issuer</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      src.iss<b> as </b><span style=\"color: maroon\">iss</span><span style=\"color: navy\"><b> -&gt; </b></span>issuer.reference = <span style=\"color: maroon\">iss</span> <i>&quot;set issuer&quot;</i><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;issuer&quot;</i><span style=\"color: navy\">;</span>\r\n    src<span style=\"color: navy\"><b> -&gt; </b></span>cert.period = <b>create</b><span style=\"color: navy\">(</span><span style=\"color: blue\">'Period'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">period</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      src<b> then </b>JwtToPeriod<span style=\"color: navy\">(</span><span style=\"color: maroon\">src</span><span style=\"color: navy\">, </span><span style=\"color: maroon\">period</span><span style=\"color: navy\">)</span> <i>&quot;set period&quot;</i><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;period&quot;</i><span style=\"color: navy\">;</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;certificate&quot;</i><span style=\"color: navy\">;</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span><b>group </b>JwtToPeriod<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">src</span><span style=\"color: navy\"> : </span>JWTPayload, <b>target</b> <span style=\"color: maroon\">tgt</span><span style=\"color: navy\"> : </span>Period<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  src.nbf<b> as </b><span style=\"color: maroon\">nbf</span><span style=\"color: navy\"><b> -&gt; </b></span> <b>append</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">nbf</span><span style=\"color: navy\">, </span><span style=\"color: blue\">' seconds'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">epoch</span><span style=\"color: navy\">, </span> tgt.start = <span style=\"color: navy\">(</span>@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()<span style=\"color: navy\">)</span> <i>&quot;set period start to notBefore&quot;</i><span style=\"color: navy\">;</span>\r\n  src.iat<b> as </b><span style=\"color: maroon\">iat</span><span style=\"color: navy\"><b> -&gt; </b></span> <b>append</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">iat</span><span style=\"color: navy\">, </span><span style=\"color: blue\">' seconds'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">epoch</span><span style=\"color: navy\">, </span> tgt.start = <span style=\"color: navy\">(</span>@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()<span style=\"color: navy\">)</span> <i>&quot;set period start to  issuedAt&quot;</i><span style=\"color: navy\">;</span>\r\n  src.exp<b> as </b><span style=\"color: maroon\">exp</span><span style=\"color: navy\"><b> -&gt; </b></span> <b>append</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">exp</span><span style=\"color: navy\">, </span><span style=\"color: blue\">' seconds'</span><span style=\"color: navy\">)</span><b> as </b><span style=\"color: maroon\">epoch</span><span style=\"color: navy\">, </span> tgt.end = <span style=\"color: navy\">(</span>@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()<span style=\"color: navy\">)</span> <i>&quot;set period end&quot;</i><span style=\"color: navy\">;</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span></pre></div>"
  },
  "url" : "http://smart.who.int/ddcc/StructureMap/CertSHCtoCoreDataSet",
  "version" : "1.0.0",
  "name" : "CertSHCtoCoreDataSet",
  "status" : "draft",
  "date" : "2024-10-15T08:52:41+00:00",
  "publisher" : "WHO",
  "contact" : [{
    "name" : "WHO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://who.int"
    }]
  }],
  "description" : "Structure map transforming CertSHC logical model to bundle of Core Data Set logical model",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "structure" : [{
    "url" : "http://smart.who.int/ddcc/StructureDefinition/CertSHC",
    "mode" : "source",
    "alias" : "JWTPayload"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/Bundle",
    "mode" : "target",
    "alias" : "DDCCBundle"
  },
  {
    "url" : "http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSet",
    "mode" : "target",
    "alias" : "DDCC"
  },
  {
    "url" : "http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetVS",
    "mode" : "target",
    "alias" : "DDCCVS"
  }],
  "import" : ["http://smart.who.int/ddcc/StructureMap/SHCToCoreDataSetVS",
  "http://smart.who.int/ddcc/StructureMap/SHCToCoreDataSetTR"],
  "group" : [{
    "name" : "CertSHCtoCoreDataSetBundle",
    "typeMode" : "none",
    "input" : [{
      "name" : "src",
      "type" : "JWTPayload",
      "mode" : "source"
    },
    {
      "name" : "ddccBundle",
      "type" : "Bundle",
      "mode" : "target"
    }],
    "rule" : [{
      "name" : "vc",
      "source" : [{
        "context" : "src",
        "element" : "vc",
        "variable" : "vc"
      }],
      "rule" : [{
        "name" : "credentialSubject",
        "source" : [{
          "context" : "vc",
          "element" : "credentialSubject",
          "variable" : "credentialSubject"
        }],
        "rule" : [{
          "name" : "fhirBundle",
          "source" : [{
            "context" : "credentialSubject",
            "element" : "fhirBundle",
            "variable" : "fhirBundle"
          }],
          "rule" : [{
            "name" : "find patient",
            "source" : [{
              "context" : "fhirBundle",
              "element" : "entry",
              "variable" : "patientEntrySHC"
            }],
            "rule" : [{
              "name" : "get patient",
              "source" : [{
                "context" : "patientEntrySHC",
                "type" : "Patient",
                "element" : "resource",
                "listMode" : "first",
                "variable" : "patient"
              }],
              "rule" : [{
                "name" : "entries",
                "source" : [{
                  "context" : "fhirBundle",
                  "element" : "entry",
                  "variable" : "entry"
                }],
                "rule" : [{
                  "name" : "immunizations",
                  "source" : [{
                    "context" : "entry",
                    "type" : "Immunization",
                    "element" : "resource",
                    "variable" : "immunization"
                  }],
                  "target" : [{
                    "context" : "ddccBundle",
                    "contextType" : "variable",
                    "element" : "entry",
                    "variable" : "outentry"
                  },
                  {
                    "contextType" : "variable",
                    "variable" : "ddcc",
                    "transform" : "create",
                    "parameter" : [{
                      "valueString" : "http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetVS"
                    }]
                  }],
                  "rule" : [{
                    "name" : "set patient",
                    "source" : [{
                      "context" : "immunization"
                    }],
                    "dependent" : [{
                      "name" : "PatientToDDCCVS",
                      "variable" : ["patient",
                      "ddcc"]
                    }]
                  },
                  {
                    "name" : "set vaccination",
                    "source" : [{
                      "context" : "immunization"
                    }],
                    "target" : [{
                      "context" : "ddcc",
                      "contextType" : "variable",
                      "element" : "vaccination",
                      "variable" : "vaccination"
                    }],
                    "dependent" : [{
                      "name" : "ImmunizationToDDCC",
                      "variable" : ["immunization",
                      "vaccination"]
                    }]
                  },
                  {
                    "name" : "set ddcc",
                    "source" : [{
                      "context" : "immunization"
                    }],
                    "dependent" : [{
                      "name" : "CertSHCtoCoreDataSet",
                      "variable" : ["src",
                      "ddcc"]
                    }]
                  },
                  {
                    "name" : "set outentry",
                    "source" : [{
                      "context" : "immunization"
                    }],
                    "target" : [{
                      "context" : "outentry",
                      "contextType" : "variable",
                      "element" : "resource",
                      "transform" : "copy",
                      "parameter" : [{
                        "valueId" : "ddcc"
                      }]
                    }]
                  }]
                },
                {
                  "name" : "labs",
                  "source" : [{
                    "context" : "entry",
                    "type" : "Observation",
                    "element" : "resource",
                    "variable" : "lab"
                  }],
                  "target" : [{
                    "context" : "ddccBundle",
                    "contextType" : "variable",
                    "element" : "entry",
                    "variable" : "outentry"
                  },
                  {
                    "contextType" : "variable",
                    "variable" : "ddcc",
                    "transform" : "create",
                    "parameter" : [{
                      "valueString" : "http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSetTR"
                    }]
                  }],
                  "rule" : [{
                    "name" : "set patient",
                    "source" : [{
                      "context" : "lab"
                    }],
                    "dependent" : [{
                      "name" : "PatientToDDCCTR",
                      "variable" : ["patient",
                      "ddcc"]
                    }]
                  },
                  {
                    "name" : "set test",
                    "source" : [{
                      "context" : "lab"
                    }],
                    "target" : [{
                      "context" : "ddcc",
                      "contextType" : "variable",
                      "element" : "test",
                      "variable" : "test"
                    }],
                    "dependent" : [{
                      "name" : "LabToDDCC",
                      "variable" : ["lab",
                      "test"]
                    }]
                  },
                  {
                    "name" : "set ddcc",
                    "source" : [{
                      "context" : "lab"
                    }],
                    "dependent" : [{
                      "name" : "CertSHCtoCoreDataSet",
                      "variable" : ["src",
                      "ddcc"]
                    }]
                  },
                  {
                    "name" : "set outentry",
                    "source" : [{
                      "context" : "lab"
                    }],
                    "target" : [{
                      "context" : "outentry",
                      "contextType" : "variable",
                      "element" : "resource",
                      "transform" : "copy",
                      "parameter" : [{
                        "valueId" : "ddcc"
                      }]
                    }]
                  }]
                }]
              }]
            }]
          }]
        }]
      }]
    }]
  },
  {
    "name" : "CertSHCtoCoreDataSet",
    "typeMode" : "none",
    "input" : [{
      "name" : "src",
      "type" : "JWTPayload",
      "mode" : "source"
    },
    {
      "name" : "ddcc",
      "type" : "DDCC",
      "mode" : "target"
    }],
    "rule" : [{
      "name" : "certificate",
      "source" : [{
        "context" : "src"
      }],
      "target" : [{
        "context" : "ddcc",
        "contextType" : "variable",
        "element" : "certificate",
        "variable" : "cert"
      }],
      "rule" : [{
        "name" : "issuer",
        "source" : [{
          "context" : "src",
          "element" : "iss"
        }],
        "target" : [{
          "context" : "cert",
          "contextType" : "variable",
          "element" : "issuer",
          "variable" : "issuer",
          "transform" : "create",
          "parameter" : [{
            "valueString" : "Reference"
          }]
        }],
        "rule" : [{
          "name" : "set issuer",
          "source" : [{
            "context" : "src",
            "element" : "iss",
            "variable" : "iss"
          }],
          "target" : [{
            "context" : "issuer",
            "contextType" : "variable",
            "element" : "reference",
            "transform" : "copy",
            "parameter" : [{
              "valueId" : "iss"
            }]
          }]
        }]
      },
      {
        "name" : "period",
        "source" : [{
          "context" : "src"
        }],
        "target" : [{
          "context" : "cert",
          "contextType" : "variable",
          "element" : "period",
          "variable" : "period",
          "transform" : "create",
          "parameter" : [{
            "valueString" : "Period"
          }]
        }],
        "rule" : [{
          "name" : "set period",
          "source" : [{
            "context" : "src"
          }],
          "dependent" : [{
            "name" : "JwtToPeriod",
            "variable" : ["src",
            "period"]
          }]
        }]
      }]
    }]
  },
  {
    "name" : "JwtToPeriod",
    "typeMode" : "none",
    "input" : [{
      "name" : "src",
      "type" : "JWTPayload",
      "mode" : "source"
    },
    {
      "name" : "tgt",
      "type" : "Period",
      "mode" : "target"
    }],
    "rule" : [{
      "name" : "set period start to notBefore",
      "source" : [{
        "context" : "src",
        "element" : "nbf",
        "variable" : "nbf"
      }],
      "target" : [{
        "contextType" : "variable",
        "variable" : "epoch",
        "transform" : "append",
        "parameter" : [{
          "valueId" : "nbf"
        },
        {
          "valueString" : " seconds"
        }]
      },
      {
        "context" : "tgt",
        "contextType" : "variable",
        "element" : "start",
        "transform" : "evaluate",
        "parameter" : [{
          "valueString" : "@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()"
        }]
      }]
    },
    {
      "name" : "set period start to  issuedAt",
      "source" : [{
        "context" : "src",
        "element" : "iat",
        "variable" : "iat"
      }],
      "target" : [{
        "contextType" : "variable",
        "variable" : "epoch",
        "transform" : "append",
        "parameter" : [{
          "valueId" : "iat"
        },
        {
          "valueString" : " seconds"
        }]
      },
      {
        "context" : "tgt",
        "contextType" : "variable",
        "element" : "start",
        "transform" : "evaluate",
        "parameter" : [{
          "valueString" : "@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()"
        }]
      }]
    },
    {
      "name" : "set period end",
      "source" : [{
        "context" : "src",
        "element" : "exp",
        "variable" : "exp"
      }],
      "target" : [{
        "contextType" : "variable",
        "variable" : "epoch",
        "transform" : "append",
        "parameter" : [{
          "valueId" : "exp"
        },
        {
          "valueString" : " seconds"
        }]
      },
      {
        "context" : "tgt",
        "contextType" : "variable",
        "element" : "end",
        "transform" : "evaluate",
        "parameter" : [{
          "valueString" : "@1970-01-01T00:00:00.000+00:00 + epoch.toQuantity()"
        }]
      }]
    }]
  }]
}