**Computational Definition**

Representation of a variation by a specified nomenclature or syntax for a Variation object. Common examples of expressions for the description of molecular variation include the HGVS and ISCN nomenclatures.

**Information Model**

.. list-table::
   :class: clean-wrap
   :header-rows: 1
   :align: left
   :widths: auto
   
   *  - Field
      - Type
      - Limits
      - Description
   *  - type
      - string
      - 1..1
      - 
   *  - syntax
      - string
      - 1..1
      - 
   *  - value
      - string
      - 1..1
      - 
   *  - syntax_version
      - string
      - 0..1
      - 
