How to Get Children Categories Using GraphQL

[Lex Medeiros]

Good evening, everyone!

Does anyone know how to get children categories using graphql?

Here is the usual velocity code that does that:

                 #foreach($con in $categories.getChildrenCategoriesByKey("INSERKEY"))
                       
                 ....
                         #end 

Thank you,

Alex

[Daniel Silva]

Hello Alex, 

The following query gets a product with its list of categories, in this case only one. This is against demo.dotcms.com

query: 

```

{
  productCollection(query: "+identifier:09841761-aea5-4a1c-a3f3-21e0bc9f7124") {
        title
        category {
            name
        }
    }
}
```

response: 

```

{
    "data": {
        "productCollection": [
            {
                "title": "Quiksilver Men's 3/2mm Syncro Series - Back Zip GBS Wetsuit",
                "category": [
                    {
                        "name": "Water"
                    }
                ]
            }
        ]
    }
}

```

As shown in the query the category field is available as a graphql field, by its variable name, and then you need to select what to show for each cat, in this case only the name. 

Daniel

[Lex Medeiros]

Dear Daniel:

Thank you!  This displays the selected category for the contentlet.

What I am looking for to extract are all the children categories that are in a specific category.  Just as I do with this code:

               #foreach($con in $categories.getChildrenCategoriesByKey("INSERKEY"))
                       
                 ....
                         #end 

The reason I need this is because I need to create a filter page with all the category keys so users can search on the category they desire.  Or, is there a way to get the list of the children category of a category field using graphql?

Alex

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[Daniel Silva]

Hello Alex, 

Categories are only available as related to content, as a part of the Content Delivery API, not isolated. 

Daniel

[Will Ezell]

@alex, I'll add a feature request for pulling categories via GraphQL

To view this discussion on the web visit https://groups.google.com/d/msgid/dotcms/fbde1607-8670-4122-a002-ab17f8d5c697n%40googlegroups.com.

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[Alex]

Thank you, Will! It is necessary!