TXFAAccessibilityNode

Unit: HPDFXFAPresentation

ID: AnsiString;
Role, Name, Description, Value: UnicodeString;
PageIndex: Integer;
Bounds: TXFAWidgetBounds;
ReadOnly, Required, Focused, Valid, Password: Boolean;
Choices: TArray<UnicodeString>;

Visible widget metadata uses stable identity, top-left PDF-point bounds, and committed values; password values are empty and choice labels are reported when present

See Dynamic XFA Instance Presentation for binding and selector rules, supported event syntax, budget defaults, transactional publication, persistence, painting, and compatibility boundaries