| IMongoCollectionTDocumentWatchAsyncTResult Method (IClientSessionHandle, PipelineDefinitionChangeStreamDocumentTDocument, TResult, ChangeStreamOptions, CancellationToken) | 
 
            Watches changes on the collection.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.11.0+cb27a82ea70620ad1acad8058809be8302ae4f2a
 Syntax
SyntaxTask<IChangeStreamCursor<TResult>> WatchAsync<TResult>(
	IClientSessionHandle session,
	PipelineDefinition<ChangeStreamDocument<TDocument>, TResult> pipeline,
	ChangeStreamOptions options = null,
	CancellationToken cancellationToken = null
)
Function WatchAsync(Of TResult) ( 
	session As IClientSessionHandle,
	pipeline As PipelineDefinition(Of ChangeStreamDocument(Of TDocument), TResult),
	Optional options As ChangeStreamOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of IChangeStreamCursor(Of TResult))
abstract WatchAsync : 
        session : IClientSessionHandle * 
        pipeline : PipelineDefinition<ChangeStreamDocument<'TDocument>, 'TResult> * 
        ?options : ChangeStreamOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<IChangeStreamCursor<'TResult>> 
Parameters
- session
- Type: MongoDB.DriverIClientSessionHandle
 The session.
- pipeline
- Type: MongoDB.DriverPipelineDefinitionChangeStreamDocumentTDocument, TResult
 The pipeline.
- options (Optional)
- Type: MongoDB.DriverChangeStreamOptions
 The options.
- cancellationToken (Optional)
- Type: System.ThreadingCancellationToken
 The cancellation token.
Type Parameters
- TResult
- The type of the result.
Return Value
Type: 
TaskIChangeStreamCursorTResult
            A change stream.
            
 See Also
See Also