http://hl7.org/fhir/map-target-list-mode|4.0.1

{
  "description" : "If field is a list, how to manage the production.",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "StructureMapTargetListMode",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "StructureMapTargetListMode",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  } ],
  "status" : "draft",
  "id" : "dc7d8087-3065-5e04-ad90-e5e5ec78ee10",
  "valueSet" : "http://hl7.org/fhir/ValueSet/map-target-list-mode",
  "url" : "http://hl7.org/fhir/map-target-list-mode",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.686",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "first",
    "display" : "First",
    "definition" : "when the target list is being assembled, the items for this rule go first. If more than one rule defines a first item (for a given instance of mapping) then this is an error."
  }, {
    "code" : "share",
    "display" : "Share",
    "definition" : "the target instance is shared with the target instances generated by another rule (up to the first common n items, then create new ones)."
  }, {
    "code" : "last",
    "display" : "Last",
    "definition" : "when the target list is being assembled, the items for this rule go last. If more than one rule defines a last item (for a given instance of mapping) then this is an error."
  }, {
    "code" : "collate",
    "display" : "Collate",
    "definition" : "re-use the first item in the list, and keep adding content to it."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}