Designer guide Blue · dashed · orange · green

Edges and labels

Line color, style, arrows, and labels distinguish persisted data flow from error routing, endpoint associations, and selection.

When to use

Use this page while editing or reviewing the graph in the designer.

Visual meaning of each line style.

AppearanceMeaningDescription

Persisted link

Normal source-to-consumer data flow. The arrow points toward the consumer.

Error link

Dedicated failure flow into an Error stream.

Soft endpoint association

Derived relationship between an Input and Sink that share the same endpoint and compatible message types.

Bidirectional API association

Derived Sink-to-Input relationship for a shared HTTP or gRPC endpoint.

Selected/highlighted link

Temporary visual state for a persisted edge.

Information printed next to persisted and derived edges.

LabelPurposeDescription

Message typeType label

Uses the source stream display message type. Error links use the Error stream side. Missing type information is shown as Undefined type.

`(L)` / `(R)`Join side

Marks whether a Join connection is the primary left source or an additional right source.

`call`, `parallel`, or poolCall semantics

Shows the effective runtime dispatch mode. Inherited values are resolved from the source service.

Connector and endpointSoft-edge label

Orange associations show the connector type and endpoint name.

Open the designer and select Graph.