Attribute function, Subscript syntax, Assigning variables, Filters
How to expose filters to visitors so they can change them and overview of the 'Other' settings, like caching.
Contextual Filters are similar to the basic Filters, but they are more dynamic. For example you could use them to show only articles that the current user has created.
In this tutorial we will show only Articles that are promoted to the front page, authored in the last 2 hours and sorted so that the articles with most comments are on top.
How to create multiselect facets and partial word searches with Facet API, Search API and Search API Database Search.