| IndexKeysDefinitionBuilderTDocumentWildcard Method (FieldDefinitionTDocument) | 
 
            Creates a wildcard index key definition. The method doesn't expect to specify a wildcard key explicitly.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.12.2+a4a3888f4fb51bb518b1eb5002effc2d47f2ea6a
 Syntax
Syntaxpublic IndexKeysDefinition<TDocument> Wildcard(
	FieldDefinition<TDocument> field = null
)
Public Function Wildcard ( 
	Optional field As FieldDefinition(Of TDocument) = Nothing
) As IndexKeysDefinition(Of TDocument)
member Wildcard : 
        ?field : FieldDefinition<'TDocument> 
(* Defaults:
        let _field = defaultArg field null
*)
-> IndexKeysDefinition<'TDocument> 
Parameters
- field (Optional)
- Type: MongoDB.DriverFieldDefinitionTDocument
 The wildcard key name. If the wildcard name is empty, the generated key will be `All field paths`, otherwise `A single field path`.
Return Value
Type: 
IndexKeysDefinitionTDocumentA wildcard index key definition.
 See Also
See Also