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FilterDefinitionBuilderTDocumentExists Method (FieldDefinitionTDocument, Boolean)

Creates an exists filter.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.8.0+cc573f3e1f48f39162b4b680e921a623e127e8fa
Syntax
public FilterDefinition<TDocument> Exists(
	FieldDefinition<TDocument> field,
	bool exists = true
)

Parameters

field
Type: MongoDB.DriverFieldDefinitionTDocument
The field.
exists (Optional)
Type: SystemBoolean
if set to true [exists].

Return Value

Type: FilterDefinitionTDocument
An exists filter.
See Also