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Business Rules are Boolean expressions you write and apply to the lines that connect activities to one another at points logical expressions, based on Boolean values, which are applied to the connections between workflow activities where the process can flow may branch off in different directions depending on the conditions encountered by the activitiesdue to varying conditions. When you apply assign a Business Rule to an activity linea connection between activities, you are setting define the conditions criteria that determine dictate whether the process can flow through follow that line particular path or not.

To add business rules to workflows

1. Right-click anywhere on the white space of the workflow open in the Workflow Designer and select Workflow Business Rules from the context menu.
   

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2. Enter a name for the Business Rule in the Workflow Business Rules window that opens and click

1. the Add button.
   

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2. Double-click the new rule to create an event handler for it.
   

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2. In the C# Editor that opens, you can add a code snippet for a Business Rule.

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1. Here’s an example of a simple Business Rule:

   Code Block
   language c#
   bool canProceed = false; // Add your custom logic here to determine if the process can proceed if (/* some_condition_here */) { canProceed = true; } else { canProceed = false; } return canProceed;

Apply the rule to activity lines 

1. Right-click one of the lines proceeding from an activity where more than one outcome is possible and choose Select Line Rule from the context menu.
   

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2. In the Select Rule window that appears, choose the desired rule from

1. the Rule

1. drop-down list

1. . If you want the process to flow through the line when

1. a "false

1. " condition is met, select

1. the "If Rule Not True

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1. " option. If you want the process to flow through the line when a "true" condition is met, leave the "If Rule Not True" option unselected.
   

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2. Click OK to close the Select Rule window.

3. Repeat the process for the second line

1. originating from the same activity

1. . This time, set the "If Rule Not True

1. " option to the opposite

1. of what was set for the first line. If you selected the "If Rule Not True" option for the first line, leave it unselected for the second line and vice versa. This ensures that the workflow proceeds through one line when the condition is "true" and through the other line when the condition is "false."

2. The lines change color after the Business Rules are applied.
   

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