The Aggregation Pipeline Builder in MongoDB Compass helps you create aggregation pipelines to process documents from a collection or view and return computed results.
MongoDB Compass provides different modes to create aggregation pipelines:
Stage View Mode, a visual pipeline editor that preloads pipeline syntax based on your selected stages.
Stage Wizard, a feature of Stage View Mode that provides a set of templates for simple aggregation stage use cases. The Stage Wizard only includes simple use cases to help you get started with your aggregation pipeline.
Focus Mode, a feature of Stage View Mode where you edit one pipeline stage at a time. Focus Mode helps you manage complex or deeply nested aggregation pipeline stages.
Text View Mode, a text-based pipeline editor that accepts raw pipeline syntax.
To build an aggregation pipeline, choose a collection and click the Aggregations tab. Compass displays a blank aggregation pipeline. The Preview of Documents in the Collection section shows 10 documents randomly sampled from the chosen collection.
To see how to create an aggregation pipeline, select the tab corresponding to your chosen view mode: