Create a placeholder on this blog entry.

        To fill the content items, use
        :func:`ContentItemModel.objects.create_for_placeholder() <fluent_contents.models.managers.ContentItemManager.create_for_placeholder>`.

        :rtype: :class:`~fluent_contents.models.Placeholder`

def create_placeholder(self, slot="blog_contents", role='m', title=None):
        """
        Create a placeholder on this blog entry.

        To fill the content items, use
        :func:`ContentItemModel.objects.create_for_placeholder() <fluent_contents.models.managers.ContentItemManager.create_for_placeholder>`.

        :rtype: :class:`~fluent_contents.models.Placeholder`
        """
        return Placeholder.objects.create_for_object(self, slot, role=role, title=title)