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Merge pull request #6588 from rawteech/master

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Add some words about `extra_kwargs` and explicitly defined fields.
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Xavier Ordoquy 2019-04-15 02:31:07 +02:00 committed by GitHub
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docs/api-guide/serializers.md
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@ -572,6 +572,8 @@ This option is a dictionary, mapping field names to a dictionary of keyword argu
user.save()
return user
Please keep in mind that, if the field has already been explicitly declared on the serializer class, then the `extra_kwargs` option will be ignored.
## Relational fields
When serializing model instances, there are a number of different ways you might choose to represent relationships. The default representation for `ModelSerializer` is to use the primary keys of the related instances.