http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice|4.0.1
Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.
description: Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances. derivation: constraint name: bestpractice type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.1 required: [value]