$search (aggregation)
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$search aggregation pipeline stage performs a full-text search of
the field or fields in an Atlas collection. The fields must be covered
by an Atlas Search index. See:
Index Definitions to learn more about creating and managing Atlas Search indexes.
$search Aggregation Pipeline Stage to learn more about the
$searchpipeline stage syntax and usage.$search Operators to learn more about the
$searchaggregation pipeline stage operators.
Important
The $search aggregation pipeline stage is only available for
collections hosted on MongoDB Atlas cluster tiers
running MongoDB version 4.2 or later. To learn more, see
Atlas Search.