PowerDesigner can automatically rebuild your triggers whenever a relevant change is made.
        
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                Select  Options to open the Model Options window.
            
 
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                In the Category pane, click on Trigger under the Model Settings node to go to the Trigger model options
            
 
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                Select the Automatically rebuild triggers checkbox, and click OK.
            
 
        
        
            PowerDesigner will rebuild all triggers and will, from now on, rebuild triggers whenever you make a relevant change in the model.