title: How to filter custom field in graphene django?
body: <pre><code>from graphene_django import DjangoObjectType
  from .models import Question
  
  class QuestionType(DjangoObjectType):
  
      class Meta:
          model = Question
          fields = (&quot;id&quot;, &quot;question_text&quot;)
  
      extra_field = graphene.String()
  
      def resolve_extra_field(self, info):
          return &quot;hello!&quot;
  </code></pre>
  <p>On my Query
  <code>result = Question.objects.filter(extra_field='hello!')</code></p>
  <p>Error Cannot resolve keyword 'extra_field' into field.</p>
  <p>How can I filter the extra_field in my Query?</p>