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ContentTypes / Relationships

Note: You are currently reading the documentation for Bolt 4.0. Looking for the documentation for Bolt 5.2 instead?

You can define relationships between records by adding a relation to contenttypes.yaml.

    name: Pages
    singular_name: Page

    name: Entries
    singular_name: Entry
            multiple: false
            required: false
            label: Select a related page
            order: -id

The relations are defined by the slug of the ContentType that it's related to. If a slug is not explicitly defined for a ContentType, the name is used. In the example above, it is pages. It takes a few parameters:

Parameter Description
required true or false, to determine if the user must pick a related record. Defaults to true.
multiple true or false, to indicate whether the user can pick one related record, or more than one. Defaults to false.
label The label to show on the edit screen.
order The order in which the items are listed on the edit screen. This can be any field in the ContentType. Prefix with - to reverse the sorting. In the case of the example, -id means that the records that were created last are at the top.
format How to show the titles for each record that can be selected. For example if you have two fields for firstname and lastname you might put '{{firstname}} {{lastname}}' here. The default is '{title} (№ {id}, {status})'

Editing a record that has relations defined looks like this:

If you see this, you might consider adding the reverse relation to the contenttypes.yaml as well.

Relations in templates

To get the related records in twig, use the filter related.

    {% set relatedrecords = record|related %}
    {% if relatedrecords is not empty %}
        <p>Related content:</p>
        {% for related in relatedrecords %}
            <li><a href="{{ related|link }}">{{ related.title }}</a></li>
        {%  endfor %}
    {% endif %}

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