https://mongodb.github.io/mongo-csharp-driver/2.7/apidocs/html/P_MongoDB_Driver_AggregateFacet_1_Name.htm
AggregateFacet(TInput).Name Property
Gets the facet name.
nameproperty
https://mongodb.github.io/mongo-csharp-driver/2.7/apidocs/html/M_MongoDB_Driver_PipelineStageDefinitionBuilder_Facet__2_1.htm
PipelineStageDefinitionBuilder.Facet(TInput, TOutput) Method (IEnumerable(AggregateFacet(TInput)),...
Creates a $facet stage.
facetmethodienumerable