# 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: ST
This is implemented as described in ISO 21090. ## Specializes ## ANY ## Attributes
Name | Data type | Occurs | Description
--- | --- | --- | ---
language | LraHumanLanguage | 0..1 | This is implemented as described in ISO 21090.
translation | ST.NT | 1..1 | This is implemented as described in ISO 21090.
value | String | 0..1 | This is implemented as described in ISO 21090.
## Constraints
Type | Name | Specification
--- | --- | ---
no nested translations | Invariant | inv: translation->forAll(t | t.translation->isEmpty)
null or content | Invariant | inv: isNull xor (value.oclIsDefined and value.size > 0)