I'm using a contributed module that provides a custom entity. I would like to modify that entity and want to enable comments for this entity.

Does anybody know how to enable commens for custom entities?

  • an 'entity' can mean nearly anything - are you referring to a node? a content type? a field?
    – Geoff
    Commented Jun 15, 2015 at 16:32
  • It's not a node and not a content type. It is a custom entity. You can create own custom entities by implementing hook_entity_info() (see Creating your own entities with Entity API for more details)
    – sgoelz
    Commented Jun 16, 2015 at 7:04

2 Answers 2


For Drupal 7, this module should do it - https://www.drupal.org/project/comments_entity

For Drupal 8, comments are available as a field for any entity type.


  1. Create a new Entity Type
  2. Create a new Bundle for that Entity Type
  3. Create a new Comment Type and select your Entity Type
  4. "Manage Fields" on your new Bundle and add a new "Comments" field.
  5. Configure comments as desired in the field settings.

Wrote a blog post about it here: http://www.daggerhart.com/drupal-8-add-comments-custom-entity-type/

  • 1
    That's true for Drupal 8 but not for Drupal 7.
    – sgoelz
    Commented Jul 6, 2017 at 20:01
  • 1
    @seb I see now this is for D7. My mistake. Here is a potential D7 solution - drupal.org/project/comments_entity
    – daggerhart
    Commented Jul 7, 2017 at 13:39

It's not possible to enable comments for custom entities because the structure of comments is made to comment nodes and not entities.

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