modifierExtension property
modifierExtension
May be used to represent additional information
that is not part of the basic definition of the element and that
modifies the understanding of the element in which it is contained
and/or the understanding of the containing element's descendants.
Usually modifier elements provide negation or qualification. To make
the use of extensions safe and managable, there is a strict set of
governance applied to the definition and use of extensions. Though any
implementer can define an extension, there is a set of requirements
that SHALL be met as part of the definition of the extension.
Applications processing a resource are required to check for modifier
extensions.Modifier extensions SHALL NOT change the meaning of any
elements on Resource or DomainResource (including cannot change the
meaning of modifierExtension itself).
Implementation
List<FhirExtension>? get modifierExtension =>
throw _privateConstructorUsedError;