SCHEMA Date_time_assignment_arm;
USE FROM
Date_time_arm;
-- ISO/TS 10303-1010
TYPE date_or_date_time_item =
EXTENSIBLE
SELECT;
END_TYPE;
ENTITY Date_or_date_time_assignment;
assigned_date : date_or_date_time_select;
role : STRING;
items : SET[1:?] OF date_or_date_time_item;
END_ENTITY;
END_SCHEMA; -- Date_time_assignment_arm