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GroupByFunction Method
Sets a key function.

Namespace: MongoDB.Driver.Builders
Assembly: MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.1.0
Syntax
public static BsonJavaScript Function(
	BsonJavaScript keyFunction
)

Parameters

keyFunction
Type: MongoDB.BsonBsonJavaScript
The key function.

Return Value

Type: BsonJavaScript
A BsonJavaScript.
See Also