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Flow condition node

What is it?

A condition node describes where to proceed depending on whether a condition is met or not. 

How to add a condition node

There are two possible ways to add a condition node:

  1. Hovering over the node exit after which you want to add the condition node.

  2. Via the Flow tab → Components group → Add condition to diagram button.

Adding a condition node by hovering over the node exit

  1. Hover over the node exit after which you want to add the condition node.

  2. Click the link icon and and drag it onto an empty spot in the flow canvas.

  3. A menu will appear in which you select Add condition node.

  4. Double click on the condition node. This will open the condition editor.

  5. Edit the condition.

Adding a condition node via the Flow tab

  1. Select the Flow tab.

  2. From the Components group select the Add condition to diagram icon. A crosshair will appear.

  3. Click on an empty spot in the flow canvas. The condition node will appear.

  4. Double click on the condition node. This will open the condition editor.

  5. Edit the condition.

  6. Hover over the node exit after which you want to add the condition node.

  7. Click the link icon an drag it onto the newly placed condition node.


PropertyDescription
Condition labelText placed in the condition node
Condition fieldThe expression in this field should represent the condition
Alternative labelText placed in the connectors
AlternativeThe expression in this field should represent the possible outcome of the condition. The alternatives are checked in order from top to bottom.

You can use [] to mean 'else' in a condition node alternative. This catches all values that are not covered by other alternatives, including unknowns (this is different behaviour than in decision tables!).

The expression in the condition field can be seen as the left side of a logical equation, an expression in the alternatives field as the right side of the equation.
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