Optional
_actionOptional
_relationshipbefore-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end
What action is this related to
Optional
extensionAdditional content defined by implementations
Optional
idUnique id for inter-element referencing
Optional
modifierExtensions that cannot be ignored even if unrecognized
Optional
offsetTime offset for the relationship
Optional
offsetTime offset for the relationship
before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end
What action is this related to