[#BloombergLP-ball-AttributeCollectorRegistry-Collector] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AttributeCollectorRegistry.adoc[AttributeCollectorRegistry]::Collector :relfileprefix: ../../../ :mrdocs: `Collector` is the type of a user‐supplied attribute collector functor. == Synopsis Declared in `<ball_attributecollectorregistry.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- typedef xref:bsl/function-0a.adoc[bsl::function<void(xref:BloombergLP/ball/AttributeCollectorRegistry/Visitor.adoc[Visitor] const&)>] Collector; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#