I have a requirement stating that "If the manager asks for more info then the flow should go to the previous stage, and the user must be able to enter more information". I have configured radio buttons in the view for this and if manager selects the option "yes" as for asking for more info,then the flow should go to previous stage .How to achieve this using pega express.
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Add a decision shape after the current step in the flow.
Configure change stage smart shape with the stage name you want to go.
Configure a when rule for the property refered for radio button,pass it for the decision shape and based on the when condition result either route the decision shape connector to change stage smart shape or continue the flow.