Sequence Flow
A Sequence Flow defines the order of the flow elements in a Process. It controls how the process progresses from one element to the next.
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Each Sequence flow has a single source and target. These can Events (Start, Intermediate and End), Tasks, Subprocesses or Gateways.
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Sequence Flows can include a condition expression that determines whether a process flow continues if the condition evaluates to true. Condition expressions are commonly used when the source of the Sequence Flow is a Gateway or an Activity.
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You can mark a Sequence Flow as default if it originates from an Exclusive Gateway or Activity.
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Sequence Flows must stay within a single Pool, but they can cross Lane boundaries.
A sequence flow appears as a line with a solid arrowhead.
Attributes
You’ll find Sequence Flow attributes within the Attributes panel, under the Attributes tab.