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    YAML Schema

    To create a YAML Schema file of your entity, choose the menu Tools > Forward Engineering > YAML Schema:


    Forward-Engineering - YAML Schema


    then select the directory path and file name.


    The YAMLSchema for the entity can also be viewed in the left-hand pane of the JSON Preview tab:


    Forward-Engineering - YAML Preview



    Several important options are available:

    1) YAML Schema compliance:

    - standard: only YAML Schema keywords and data types are used -- this output should pass validation with standard validators

    - full: custom keywords are also listed for a full view of the schema, but only standard YAML data types are used -- this output should pass validation as long as additionalProperties are set to true

    - extended: data types are specific to the target of the model, plus internal properties and keywords are also listed.  


    Important note: in extended compliance, it is normal that the exported YAML Schema does not pass the test of validators.  This is because data types used for a given target may be non-YAML data types.  For example ObjectId for MongoDB, or UUID in Cassandra, etc...


    2) Definitions:

    - referenced: definitions are referenced as described in the model, using $ref syntax

    - resolved:: definitions are resolved to list the content of the reference.

    - internal: references to external and model definitions are converted into internal definitions