# Logical Record Architecture for Health and Social Care
## Discharge Summary Release 0.02

Contents
The content of this release is not comprehensive and is not fully validated and must not be used in live system implementations.
# Reference Model Abstract Class: Property
The abstract generalisation of any structural feature of a Class. Instances of Property represent attributes and association ends. ## Specializes ## Feature ## Attributes
Name | Data type | Occurs | Description
--- | --- | --- | ---
isDerived | Boolean | 1..1 | True if the value of the attribute is derived from information elsewhere. The default value is false.
isOrdered | Boolean | 1..1 | True if the values in a multivalued instantiation of this class must be sequentially ordered. Default is true.
isUnique | Boolean | 1..1 | True if the values in a multivalued instantiation of this class must be unique. Default is true.
aggregation | AggregationKind | 1..1 | Specifies the kind of aggregation that applies to the Property. The default value is none.
lower | Integer | 1..1 | The lower bound of the multiplicity interval.
upper | UnlimitedNatural | 1..1 | The upper bound of the multiplicity interval.
isAssociation | Boolean | 1..1 | True if property is an association; otherwise false.
## Reference Model Type ##