Can't see nested elemets in API call

Questions and Answers Strapi Admin
9

Ah, your Post schema already contains a tags field which is defined as a oneToMany relation to Tag. The attribute names must be unique.

I see two ways you can change this.

1. UI Way

  • In the content type builder, remove the existing tags relation field in the post scheme
  • save
  • Now you’re free to create the many-to-many relation as you intended

2. Manual way

  • In your post’s schema.json, change the tags attribute to:
"tags": {
  "type": "relation",
  "relation": "manyToMany",
  "target": "api::tag.tag",
  "mappedBy": "tags"
}
  • In your tag’s schema.json, add a posts attribute:
"posts": {
  "type": "relation",
  "relation": "manyToMany",
  "target": "api::post.post",
  "inversedBy": "posts"
}

EDIT:
Actually you can just use the content type builder to change the existing oneToMany relation in the Post to a manyToMany relation, lol. After saving, if you check the other side of that relation (Tag), you will find that it has been added by Strapi automatically.