StructureMapTargetListMode

If field is a list, how to manage the production.

This code system http://hl7.org/fhir/map-target-list-mode defines the following codes:

CodeDisplayDefinition
first Firstwhen 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.
share Sharethe target instance is shared with the target instances generated by another rule (up to the first common n items, then create new ones).
last Lastwhen 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.
collate Collatere-use the first item in the list, and keep adding content to it.
<status value="draft"/><experimental value="false"/><date value="2019-11-01T09:29:23+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="If field is a list, how to manage the production."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/map-target-list-mode"/><content value="complete"/><concept><code value="first"/><display value="First"/><definition value="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."/></concept><concept><code value="share"/><display value="Share"/><definition value="the target instance is shared with the target instances generated by another rule (up to the first common n items, then create new ones)."/></concept><concept><code value="last"/><display value="Last"/><definition value="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."/></concept><concept><code value="collate"/><display value="Collate"/><definition value="re-use the first item in the list, and keep adding content to it."/></concept></CodeSystem>