MongoIndexManagerBaseTDocumentCreateOneAsync 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: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntax[ObsoleteAttribute("Use CreateOneAsync with a CreateIndexModel instead.")]
public virtual Task<string> CreateOneAsync(
	IClientSessionHandle session,
	IndexKeysDefinition<TDocument> keys,
	CreateIndexOptions options = null,
	CancellationToken cancellationToken = default
)<ObsoleteAttribute("Use CreateOneAsync with a CreateIndexModel instead.")>
Public Overridable Function CreateOneAsync ( 
	session As IClientSessionHandle,
	keys As IndexKeysDefinition(Of TDocument),
	Optional options As CreateIndexOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of String)[<ObsoleteAttribute("Use CreateOneAsync with a CreateIndexModel instead.")>]
abstract CreateOneAsync : 
        session : IClientSessionHandle * 
        keys : IndexKeysDefinition<'TDocument> * 
        ?options : CreateIndexOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<string> 
[<ObsoleteAttribute("Use CreateOneAsync with a CreateIndexModel instead.")>]
override CreateOneAsync : 
        session : IClientSessionHandle * 
        keys : IndexKeysDefinition<'TDocument> * 
        ?options : CreateIndexOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<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: 
TaskString
            A task whose result is the name of the index that was created.
            
Implements
IMongoIndexManagerTDocumentCreateOneAsync(IClientSessionHandle, IndexKeysDefinitionTDocument, CreateIndexOptions, CancellationToken)
See Also