From Business Process Management, BPM and Workflow Automation Wiki | BizAgi BPMS

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Sequence flow, conditional flow, default flow

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Sequence Flow or Transition

The Sequence Flow (arrow) connects two shapes in the process flow and defines the execution order of activities: This shape indicates the path to take from one shape to another.

  Transitions can be simple or include business conditions.

  Some connecting rules regarding Sequence Flows:

• Only one transition can come out of the following shapes: Start, Intermediate Event and Timer Intermediate Event.
• No transitions come out of the following shapes: Terminate End Event
• Two or more transitions must always exit the Exclusive gateway

Conditional Flow

Conditional flow has a condition expression assigned that determines whether or not the flow is used. This flow has mini-diamond at the beginning of the line.

It can be used outgoing from a User or Manual Task and Exclusive or Inclusive Gateways. If used in a gateway it will not have a mini-diamond.

Default Flow

Is the default branch to be chosen if all other conditions evaluate to false. It is used as the default path when using Conditional Flows, Exclusive Gateways or Inclusive Gateways. This type of sequence flow takes place only if all the other conditions are not true at the same time. Once the “Else” condition has been assigned to the transition, the arrow will appear as illustrated in the drawing.

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