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

Change Log

Content moved to the Incubator:

• FHIR-54473: Move FML to incubator (including StructureMap resource) dup: FHIR-54779

Issues Released in initial Incubator snapshot

Changes since FHIR R6 ballot4: These are the Jira issues that have been applied to this content since R5 was published.

• FHIR-57524: FML grammar doesn't support evaluate fhirpath parameter
• FHIR-54477: Simple Identity transform - no FML grammar support
• FHIR-54476: StructureMap doesn't happily represent the chaining of properties in source or target
• FHIR-54482: The default value only has string datatype (R4 had lots of types)
• FHIR-43177: StructureMap.const.name description is wrong
• FHIR-57324: StructureMap.group.name type id conflicts w/ constraints

Pre-applied:

• FHIR-54919: fml mapping tutorial has invalid fhirpath that doesn't have the surrounding brackets and several other syntax issues.
• FHIR-55380: Tutorial has many technical errors