IMongoIndexManagerTDocumentCreateOne Method (IClientSessionHandle, IndexKeysDefinitionTDocument, CreateIndexOptions, CancellationToken) | 
 Note: This API is now obsolete.
            Creates an index.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4
Syntax[ObsoleteAttribute("Use CreateOne with a CreateIndexModel instead.")]
string CreateOne(
	IClientSessionHandle session,
	IndexKeysDefinition<TDocument> keys,
	CreateIndexOptions options = null,
	CancellationToken cancellationToken = default
)<ObsoleteAttribute("Use CreateOne with a CreateIndexModel instead.")>
Function CreateOne ( 
	session As IClientSessionHandle,
	keys As IndexKeysDefinition(Of TDocument),
	Optional options As CreateIndexOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As String[<ObsoleteAttribute("Use CreateOne with a CreateIndexModel instead.")>]
abstract CreateOne : 
        session : IClientSessionHandle * 
        keys : IndexKeysDefinition<'TDocument> * 
        ?options : CreateIndexOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> string 
Parameters
- session
 - Type: MongoDB.DriverIClientSessionHandle
The session. - keys
 - Type: MongoDB.DriverIndexKeysDefinitionTDocument
The keys. - options (Optional)
 - Type: MongoDB.DriverCreateIndexOptions
The create index request options. - cancellationToken (Optional)
 - Type: System.ThreadingCancellationToken
The cancellation token. 
Return Value
Type: 
String
            The name of the index that was created.
            
See Also