Aggregation
$set
The $set aggregation stage processes documents in a pipeline.
$set
The $set aggregation stage processes documents in a pipeline.
Syntax
{ $set: { ... } }Example
{ $set: { field: 1 } }The $set aggregation stage processes documents in a pipeline.
The $set aggregation stage processes documents in a pipeline.
{ $set: { ... } }{ $set: { field: 1 } }