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IndexKeysTDocumentWildcard Method

Sets a wildcard key to the index.

Namespace:  MongoDB.Driver.Builders
Assembly:  MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4
Syntax
public static IndexKeysBuilder<TDocument> Wildcard(
	Expression<Func<TDocument, Object>> memberExpression = null
)

Parameters

memberExpression (Optional)
Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The member expression representing 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: IndexKeysBuilderTDocument
The builder (so method calls can be chained).
See Also