Setting this to`False` also allows the object attribute or dictionary key to be omitted from output when serializing the instance. If the key is not present it will simply not be included in the output representation.

Defaults to`True`. If you're using[Model Serializer](https://www.django-rest-framework.org/api-guide/serializers/#modelserializer)default value will be`False`if you have specified`blank=True` or`default`or`null=True` atyour field in your`Model`.

Defaults to`True`. If you're using[Model Serializer](https://www.django-rest-framework.org/api-guide/serializers/#modelserializer), thedefault value will be`False`when you have specifieda`default`, orwhen the corresponding`Model` field has`blank=True`or`null=True`and is not part of a unique constraintatthe same time. (Note that without a`default` value,[unique constraints will cause the field to be required](https://www.django-rest-framework.org/api-guide/validators/#optional-fields).)