Function $documentNumber

$documentNumber(
    _obj: AnyObject,
    _collection: AnyObject[],
    expr: WindowOperatorInput,
    _options: Options,
): unknown
Returns the position of a document in the $setWindowFields stage partition.
Parameters
- _obj: AnyObject
- _collection: AnyObject[]
- expr: WindowOperatorInput
- _options: Options
Returns unknown
- Defined in src/operators/window/documentNumber.ts:5