Property WhenMatched
WhenMatched
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).
public MergeStageWhenMatched? WhenMatched { get; set; }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).
public MergeStageWhenMatched? WhenMatched { get; set; }