MergeStageOptionsTOutputWhenMatched Property

The behavior of $merge if a result document and an existing document in the collectoin have the same value for the specified on field(s).

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.20.0+ee01960089f28ea1b501690df5fc9f6318a70242

Syntax

public Nullable<MergeStageWhenMatched> WhenMatched { get; set; }

Public Property WhenMatched As Nullable(Of MergeStageWhenMatched)
	Get
	Set

member WhenMatched : Nullable<MergeStageWhenMatched> with get, set

MergeStageOptionsAddLanguageSpecificTextSet("LSTD9B0652F_0?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");TOutputAddLanguageSpecificTextSet("LSTD9B0652F_1?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");AddLanguageSpecificTextSet("LSTD9B0652F_2?cpp=::|nu=.");WhenMatched Property