# 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 Class: CompositionContentSpecification
The value of or reference to a constraint expression which specifies the permitted content of a COMPOSITION instance in terms of its permitted care record ENTRY content and the hierarchical organisation of the content into zero or more SECTIONs. ## Specializes ## ValueSpecification ## Attributes
Name | Data type | Occurs | Description
--- | --- | --- | ---
value | Expression | 0..1 | The Composition Content constraint expression specified by this CompositionContentSpecification.
## Constraints
Type | Name | Specification
--- | --- | ---
Instance is specification for constraint that binds to a ConstrainedDomainModelClass instance of type COMPOSITION | LRA Invariant | inv: constraint.contraintBinding.instance.type-&gt;forAll(c: Class | c.oclIsType(ConstrainedDomainModelClass) and c.qualifiedName = "lra::technical::en13606::extract")
## Reference Model Type ##