MongoCollectionMapReduce Method  | 
 Note: This API is now obsolete.
            Runs a map-reduce command on this collection.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4
Syntax[ObsoleteAttribute("Use Aggregation pipeline instead.")]
public virtual MapReduceResult MapReduce(
	MapReduceArgs args
)<ObsoleteAttribute("Use Aggregation pipeline instead.")>
Public Overridable Function MapReduce ( 
	args As MapReduceArgs
) As MapReduceResult[<ObsoleteAttribute("Use Aggregation pipeline instead.")>]
abstract MapReduce : 
        args : MapReduceArgs -> MapReduceResult 
[<ObsoleteAttribute("Use Aggregation pipeline instead.")>]
override MapReduce : 
        args : MapReduceArgs -> MapReduceResult Parameters
- args
 - Type: MongoDB.DriverMapReduceArgs
The args. 
Return Value
Type: 
MapReduceResultA 
MapReduceResult.
See Also