Abstract
Definition for a field referencing a column in the underlying database. Specifies things like cache behavior and associations, and handles input validation.
options for this field definition
Readonly
Validates input value for a field of this type. Null and undefined are considered valid by default. This is used for things like:
Protected
Definition for a field referencing a column in the underlying database. Specifies things like cache behavior and associations, and handles input validation.