Query Pipeline Features

A query pipeline feature is a type of query pipeline action or Coveo Machine Learning (Coveo ML) model association that can be expressed through specific query pipeline language (QPL) syntax in a query pipeline statement definition.

Query pipeline features have different names in the Search API and Coveo Cloud administration console:

Search API	Coveo Cloud administration console
`queryParamOverride`	Query Parameters
`thesaurus`	Thesaurus
`stop`	Stop Words
`filter`	Filters
`ranking`	Ranking Expressions
`top`	Featured Results
`rankingWeight`	Ranking Weights
`recommendation`	Machine Learning - Event Recommendations
`topClicks`	Machine Learning - Automatic Relevance Tuning
`querySuggest`	Machine Learning - Query Suggestions
`trigger`	Triggers

The articles in this section provide information and examples for these query pipeline features.