how i send custom data in model field rest_framework serializer

To send custom data in a model field using the Django Rest Framework serializer in C, you can follow these steps:

Create a serializer class: Start by creating a serializer class that inherits from the Serializer class provided by the Django Rest Framework. The serializer class will define the fields and their types that you want to send in the request.
Define the custom field: Inside the serializer class, define a custom field by subclassing the Field class. You can override the to_representation and to_internal_value methods to customize how the data is serialized and deserialized.
Implement the to_representation method: In the to_representation method, you can define how the custom field should be serialized. You can access the value of the custom field using self.get_attribute(instance) and return the serialized representation of the value.
Implement the to_internal_value method: In the to_internal_value method, you can define how the custom field should be deserialized. You can access the raw value of the custom field using data.get(self.field_name) and return the deserialized value.
Add the custom field to the serializer: Add an instance of the custom field to the serializer class, specifying the field name and any additional options.
Use the serializer in a view: Finally, you can use the serializer in a view to handle requests. Instantiate the serializer class and pass the request data to the serializer's data attribute. You can then validate the data using the serializer's is_valid method and access the deserialized data using the serializer.validated_data attribute.

By following these steps, you can send custom data in a model field using the Django Rest Framework serializer in C.