| IAggregateFluentTResultUnionWithTWith Method  | 
 
            Appends an $unionWith stage to the pipeline.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.12.2+a4a3888f4fb51bb518b1eb5002effc2d47f2ea6a
 Syntax
SyntaxIAggregateFluent<TResult> UnionWith<TWith>(
	IMongoCollection<TWith> withCollection,
	PipelineDefinition<TWith, TResult> withPipeline = null
)
Function UnionWith(Of TWith) ( 
	withCollection As IMongoCollection(Of TWith),
	Optional withPipeline As PipelineDefinition(Of TWith, TResult) = Nothing
) As IAggregateFluent(Of TResult)
abstract UnionWith : 
        withCollection : IMongoCollection<'TWith> * 
        ?withPipeline : PipelineDefinition<'TWith, 'TResult> 
(* Defaults:
        let _withPipeline = defaultArg withPipeline null
*)
-> IAggregateFluent<'TResult> 
Parameters
- withCollection
- Type: MongoDB.DriverIMongoCollectionTWith
 The with collection.
- withPipeline (Optional)
- Type: MongoDB.DriverPipelineDefinitionTWith, TResult
 The with pipeline.
Type Parameters
- TWith
- The type of the with collection documents.
Return Value
Type: 
IAggregateFluentTResultThe fluent aggregate interface.
 See Also
See Also