```ruby
# Doubtfire will deprecate ActiveModelSerializer in the future.
# Instead, write a serialize method on the model.

class TaskDefinitionSerializer < ActiveModel::Serializer
  attributes :id, :abbreviation, :name, :description,
             :weight, :target_grade, :target_date,
             :upload_requirements,
             :tutorial_stream,
             :plagiarism_checks, :plagiarism_report_url, :plagiarism_warn_pct,
             :restrict_status_updates,
             :group_set_id, :has_task_sheet?, :has_task_resources?,
             :due_date, :start_date, :is_graded, :max_quality_pts,
             :routing_key, :assessment_enabled

  def weight
    object.weighting
  end

  def tutorial_stream
    object.tutorial_stream.abbreviation unless object.tutorial_stream.nil?
  end
end
```

Include :has_task_assessment_resources? in task_def serialiser
user
```ruby
# Doubtfire will deprecate ActiveModelSerializer in the future.
# Instead, write a serialize method on the model.

class TaskDefinitionSerializer < ActiveModel::Serializer
  attributes :id, :abbreviation, :name, :description,
             :weight, :target_grade, :target_date,
             :upload_requirements,
             :tutorial_stream,
             :plagiarism_checks, :plagiarism_report_url, :plagiarism_warn_pct,
             :restrict_status_updates,
             :group_set_id, :has_task_sheet?, :has_task_resources?,
             :due_date, :start_date, :is_graded, :max_quality_pts,
             :routing_key, :assessment_enabled, :has_task_assessment_resources?

  def weight
    object.weighting
  end

  def tutorial_stream
    object.tutorial_stream.abbreviation unless object.tutorial_stream.nil?
  end
end
```
assistant