Mermaid Extension Schemas¶

These TypedDict schemas describe values accepted by the Python mermaid={...} constructor kwarg and the equivalent extensions={"mermaid": {...}} envelope.

c4.contrib.mermaid.extensions.BoundaryExtensions ¶

Bases: TypedDict

Mermaid-specific extension data for boundary elements.

Parameters:

Name	Description	Default
`tags`	Optional tags for styling or grouping.	required
`link`	URL link associated with the boundary.	required
`type`	Optional boundary type rendered as the third Mermaid boundary macro argument.	required

Deployment Node Variants¶

c4.contrib.mermaid.NodeLeft ¶

Bases: Node

Represents a deployment node aligned to the left in the diagram layout.

Typically used for directional positioning in deployment views.

c4.contrib.mermaid.NodeRight ¶

Bases: Node

Represents a deployment node aligned to the right in the diagram layout.

Useful for controlling horizontal positioning in deployment diagrams.