Variable $set`Const`

$set: (coll: Iterator, expr: AnyObject, options: Options) => Iterator = $addFields

Alias for $addFields.

Type Declaration

- (coll: Iterator, expr: AnyObject, options: Options): Iterator
- Adds new fields to documents. $addFields outputs documents that contain all existing fields from the input documents and newly added fields.
  
  See usage.
  Parameters
  - coll: Iterator
  - expr: AnyObject
  - options: Options
  Returns Iterator