Initial Node

R2026b

Dispatch control token at beginning of activity

Since R2024a

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Initial Node block

Description

An initial node is represented by a solid gray circle.

When an activity begins, a single control token is placed on an initial node. The control token then flows to the node connected to the initial node. An activity can have multiple initial nodes. All initial nodes have one output and no inputs.

Create an Initial Node

You can create an initial node by dragging and dropping the Initial Node icon from the palette on the left or from the Modeling tab on the toolstrip to any location on the canvas.

Version History

Introduced in R2024a