While Wyam is certainly still usable, it's been rebranded and rebooted as Statiq with a ton of improvements. You almost certainly want to look there unless you're already a Wyam user.

IDocumentCollection.

this[string] Property

Summary

Gets documents from a specific pipeline.

Assembly: Wyam.Common.dll
Namespace: Wyam.Common.Documents
Containing Type: IDocumentCollection

Syntax

IEnumerable<IDocument> this[string pipline] { get; }

Parameters

Name	Type	Description
pipline	string

Value

Type	Description
IEnumerable<IDocument>	The documents output by the specified pipeline..

GitHub