Method Keys
Keys(params Expression<Func<TDocument, object>>[])
Sets one or more key names.
public GroupByBuilder<TDocument> Keys(params Expression<Func<TDocument, object>>[] memberExpressions)
Parameters
memberExpressions
Expression<Func<TDocument, object>>[]One or more key names.
Returns
- GroupByBuilder<TDocument>
The builder (so method calls can be chained).