Guides > Serializers

Serializers

Includes any class that has ActiveModel::Serializer as one of its parent classes.

Extending a Base `ApplicationSerializer`

To share behavior across your serializers you can create an ApplicationSerializer at app/serializers/application_serializer.rb:

class ApplicationSerializer < ActiveModel::Serializer
# Your amazing customizations here
end

Then any newly-generated serializers will automatically descend from ApplicationSerializer.

$ rails g serializer post

Now generates:

class PostSerializer < ApplicationSerializer
  attributes :id
end
`

Use these to quickly create serializers.

Serializers can utilize all of the following:

What you need to know to customize your serializers.