Ability to display channels in relation to other channels

[mtrefethen-m]

Use Case

I am wondering if there is a way to relate channels to other channels for the purposes of better displaying a producer publishing to a "topic" channel that has multiple "subscriber" channels with different consumers. In my environments it is common for a producer to produce many different types of events into a stream based on domain and subsystem, which then are distributed to many differing subscriptions based on business rules. Right now I'm describing that in one channel but that's really not accurate since the topics and subscriptions all have different addresses and I'm having to explain the multiplicity in text when it's easier to understand graphically. The other option I have is to use a separate diagramming tool and embed the image in the MD but I feel that defeats the purpose a little.

Contrived Example:

General naming pattern:
  Topic:             platform.event.{domain}.{system}.{sub-system}
                                  |
  Subscriptions:     {topic}.sub.{external-consumer}.{attributes}


  order.inventory.reservation
                   |
               filtered
                   |
  order.inventory.reservation.sub.plant-operations.schedule-build-event
  order.inventory.reservation.sub.crm.wholesale-sales.inventory-release-event
  order.inventory.reservation.sub.data-warehousing.all-events
  order.inventory.reservation.sub.notifications.all-failure-events
  ...etc...

If this is possible already, any information would be appreciated, otherwise I look forward to hearing thoughts and considerations.

Also, thank you everyone for all the hard work, the tool is excellent.

Proposed Solution

A mechanism to describe a topic or stream being filtered into a multiplicity of subscriptions or other streams delivered to disparate consumers

Implementation Notes

No response

Community Notes

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[boyney123]

Hey @mtrefethen-m

Interesting! I just speaking with this kind of feature with others would #1174 work for you?

[mtrefethen-m]

Would that display as a link in the visualizer and also could it be enhanced to allow an option label on the arrow like subscribes or fiters?

[carlosallexandre]

Hey @mtrefethen-m,

I’d like to clarify something—when implementing this filtering logic between channels/streams, do you typically use a pipe (e.g., EventBridge Pipes), or do you rely on another mechanism?

Would love to understand how you're currently handling this! 🚀