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IMongoCollectionExtensionsFindOneAndUpdateTDocument, TProjection Method (IMongoCollectionTDocument, IClientSessionHandle, ExpressionFuncTDocument, Boolean, UpdateDefinitionTDocument, FindOneAndUpdateOptionsTDocument, TProjection, CancellationToken)

Finds a single document and updates it atomically.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntax
public static TProjection FindOneAndUpdate<TDocument, TProjection>(
	this IMongoCollection<TDocument> collection,
	IClientSessionHandle session,
	Expression<Func<TDocument, bool>> filter,
	UpdateDefinition<TDocument> update,
	FindOneAndUpdateOptions<TDocument, TProjection> options = null,
	CancellationToken cancellationToken = default
)

Parameters

collection
Type: MongoDB.DriverIMongoCollectionTDocument
The collection.
session
Type: MongoDB.DriverIClientSessionHandle
The session.
filter
Type: System.Linq.ExpressionsExpressionFuncTDocument, Boolean
The filter.
update
Type: MongoDB.DriverUpdateDefinitionTDocument
The update.
options (Optional)
Type: MongoDB.DriverFindOneAndUpdateOptionsTDocument, TProjection
The options.
cancellationToken (Optional)
Type: System.ThreadingCancellationToken
The cancellation token.

Type Parameters

TDocument
The type of the document.
TProjection
The type of the projection (same as TDocument if there is no projection).

Return Value

Type: TProjection
The returned document.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IMongoCollectionTDocument. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also