Implementing Custom DTO Classes#

While Litestar maintains a suite of DTO factories, it is possible to create your own DTOs. To do so, you must implement the AbstractDTO abc.

The following is a description of the methods of the protocol, and how they are used by Litestar. For detailed information on the signature of each method, see the reference docs.

Abstract Methods#

These methods must be implemented on any AbstractDTO subtype.


This method receives the model type for the DTO and it should return a generator yielding DTOFieldDefinition instances corresponding with the model fields.


This method receives a FieldDefinition instance and it should return a boolean indicating whether the field is a nested model field.