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Using a Single Workflow in a Life Cycle Having Multiple States
Duplicate tasks get started when a Set State robot is used along with a loop link to the task related to the new state.
In order to avoid this situation, create an initial dummy life cycle phase that is associated with the workflow and that represents a state that is never returned to in a loop or in a set state robot.
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When you assign a workflow template to a life cycle template, you see a list of valid workflows. The list of valid workflow templates includes the ones defined in the given application context, plus those defined in the ancestor organization and site contexts. Workflow templates defined in a subcontext override and filter out the workflow templates defined in parent contexts having the same name.