PipelineDefinitionBuilderGroup Method | 
| Name | Description | |
|---|---|---|
| GroupTInput, TIntermediate(PipelineDefinitionTInput, TIntermediate, ProjectionDefinitionTIntermediate, BsonDocument) | 
            Appends a group stage to the pipeline.
              | |
| GroupTInput, TIntermediate, TOutput(PipelineDefinitionTInput, TIntermediate, ProjectionDefinitionTIntermediate, TOutput) | 
            Appends a $group stage to the pipeline.
              | |
| GroupTInput, TIntermediate, TKey, TOutput(PipelineDefinitionTInput, TIntermediate, ExpressionFuncTIntermediate, TKey, ExpressionFuncIGroupingTKey, TIntermediate, TOutput, ExpressionTranslationOptions) | 
            Appends a group stage to the pipeline (this method can only be used with LINQ2).
              |