How do I pull categories from another category group for members of another category?

Question

`I will try this again.

I have an index page for each category within category group 1 (markets).

I loop through the descendants of the given category to create filter buttons.

How do i pull all the categories from a 2nd category group (country) assigned to each market from markets - listing them only once

For the market from category group-1 (markets), I am using:

{% set segments = craft.categories.descendantOf(category) %} {% for category in segments %} button html using {{ category.title }} ``{% endfor %}

For the countries from category group-2 (country), I tried using:

{% set name = craft.categories.group('country').relatedTo(category) %} {% for nation in name %} button html with {{ nation.countryName }} {% endear %}

Where countryName is the field name for the country group.

I did not get a template error. But nothing printed.

Answer 1

I forgot about the related entries. So, I actually want to pull the related countries from the **entries** related to the market.

Here is the solution. The key was the answer to this related question about related tags.

{% set entries = craft.entries.relatedTo(category).find() %} {% set nation = craft.categories.group('country').relatedTo(entries).find()%}

Answer 2

Try changing

{% set name = craft.categories.group('country').relatedTo(category) %}

to

{% set name = craft.categories.group('country').relatedTo(category.slug) %}

Use the slug parameter to target a specific category in the category group. More parameters can be found here: https://craftcms.com/docs/templating/craft.categories

{% set category = craft.categories
    .group('nameOfCategoryGroup')
    .slug('specificCategoryInGroup')
    .limit(1)
    .first()
%}