description: The precondition class, derived from the ActRelationship class, is used along with the Precondition class to express a condition that must hold true before some over activity occurs.
package_name: hl7.cda.uv.core
derivation: specialization
name: Precondition
type: http://hl7.org/cda/stds/core/StructureDefinition/Precondition
elements:
  typeCode:
    type: code
    binding: {strength: required, valueSet: 'http://terminology.hl7.org/ValueSet/v3-ActRelationshipType'}
    pattern: {type: Code, value: PRCN}
    representation: [xmlAttr]
    index: 0
  criterion: {type: 'http://hl7.org/cda/stds/core/StructureDefinition/Criterion', index: 1}
package_version: 2.0.0-sd-snapshot1
class: logical
kind: logical
url: http://hl7.org/cda/stds/core/StructureDefinition/Precondition
base: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot
version: 2.0.0-sd-snapshot1
required: [criterion]