Segments (pro feature) are sets of conditions that filter contacts by specific fields, operators and values. They can contain an unlimited amount of AND and OR conditions, and can be applied to sendouts.

Getting Segments #

You can access segments from your templates with craft.campaign.segments which returns an Element Query.

{% set segment = %}
{% if segment %}
   Segment {{ segment.title }}
{% endif %} 

You can get segments from your plugin with SegmentElement::find() which returns an Element Query.

use putyourlightson\campaign\elements\SegmentElement;

$segment = SegmentElement::find()->id(3)->one();

The returned Element Query supports the parameters that all element types in Craft support (id, title, etc.).